1. Cyhoeddwyd

   Hydro-chemical effects following restoration mowing in two rich fen plant communities

   Menichino, N. M., Evans, C., Fenner, N., Freeman, C. & Jones, L., 1 Chwef 2019, Yn: Ecological Engineering. 127, t. 536-546

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2. Cyhoeddwyd

   Hydrocarbon-Degrading Bacteria Alcanivorax and Marinobacter Associated With Microalgae Pavlova lutheri and Nannochloropsis oculata

   Chernikova, T., Bargiela, R., Toshchakov, S. V., Shivaraman, V., Lunev, E. A., Yakimov, M. M., Thomas, D. N. & Golyshin, P., 28 Hyd 2020, Yn: Frontiers in Microbiology. 11, 572931.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

3. Cyhoeddwyd

   Hydrocarbon-Degrading Microbes as Sources of New Biocatalysts

   Coscolín, C., Bargiela, R., Martinez-Martinez, M., Alonso, S., Bollinger, A., Thies, S., Chernikova, T., Hai, T., Golyshina, O., Jaeger, K-E., Yakimov, M. M., Golyshin, P. & Ferrer, M., 27 Tach 2019, Handbook of Hydrocarbon and Lipid Microbiology Series. Taxonomy, Genomics and Ecophysiology of Hydrocarbon-Degrading Microbes. McGenity, T. J. (gol.). Springer, t. 1-21

   Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod › adolygiad gan gymheiriaid

4. Cyhoeddwyd

   Hydrodehalogenation of 1,1-dibromocyclopropanes by Grignard reagents promoted by titanium compounds

   Al Dulayymi, JR., Baird, MS., Bolesov, IG., Nizovtsev, AV. & Tverezovsky, VV., 2000, Yn: JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2. 7, t. 1603-1617 15 t.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

5. Cyhoeddwyd

   Hydrogels from dextran and soybean oil by UV photo-polymerization

   Omer, R. A., Hughes, A., Hama, J. R., Wang, W. & Tai, H., 10 Chwef 2015, Yn: Journal of Applied Polymer Science. 132, 6, 41446.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

6. Cyhoeddwyd

   Hydrokinetic energy conversion: A global riverine perspective

   Ridgill, M., Lewis, M., Robins, P., Patil, S. & Neill, S., Gorff 2022, Yn: Journal of Renewable and Sustainable Energy. 14, 4, 044501.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

7. Cyhoeddwyd

   Hydrologic similarity among catchments under variable flow conditions

   Patil, S. D. & Stieglitz, M., 23 Maw 2011, Yn: Hydrology and Earth System Sciences. 15, 3, t. 989-997

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

8. Cyhoeddwyd

   Hydrological Perspectives on Integrated, Coordinated, Open, Networked (ICON) Science

   Acharya, B., Ahmmed, B., Chen, Y., Davison, J., Haygood, L., Hensley, R., Kumar, R., Lerback, J., Liu, H., Mehan, S., Mehana, M., Patil, S., Persaud, B., Sullivan, P. & URycki, D., 12 Ebr 2022, Yn: Earth and Space Science. 9, 4, e2022EA002320.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Sylw/Dadl › adolygiad gan gymheiriaid

9. Cyhoeddwyd

   Hydrological controls on dissolved organic carbon production and release from UK peatlands.

   Fenner, N., Freeman, C., Worrall, F., Baird, A. J. (gol.), Belyea, L. R. (gol.), Xavier Comas, A. S. (gol.) & Slater, L. D. (gol.), 1 Ion 2009, Carbon Cycling in Northern Peatlands. 2009 gol. American Geophysical Union

   Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

10. Cyhoeddwyd

    Hydrological effects on the diversity of phenolic degrading bacteria in a peatland: implications for carbon cycling.

    Fenner, N., Freeman, C. & Reynolds, B., 1 Gorff 2005, Yn: Soil Biology and Biochemistry. 37, 7, t. 1277-1287

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

11. Cyhoeddwyd

    Hydrological legacy determines the type of enzyme inhibition in a peatlands chronosequence

    Bonnett, S., Maltby, E. & Freeman, C., Awst 2017, Yn: Scientific Reports. 7, 9948.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

12. Cyhoeddwyd

    Hyperactive Cdc2 kinase interferes with the response to broken replication forks by trapping S.pombe Crb2 in its mitotic T215 phosphorylated state

    Caspari, T. M., Saeyd, S. A., Ewert-Krzemieniewska, K., Liu, B. & Caspari, T., 26 Mai 2014, Yn: Nucleic Acids Research. 42, 12, t. 7734-7747

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

13. Cyhoeddwyd

    Hyperbole, hypocrisy and discounting that slowly fades away.

    Price, C., 1 Ion 2004, Yn: Scandinavian Forest Economics. 40, t. 343-359

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

14. Cyhoeddwyd

    Hyperbranced Copolymers Synthesized by Co-condensation and Radical Copolymerization.

    Tai, H., Zheng, Y., Wang, W., Yan, D. (gol.), Gao, C. (gol.) & Frey, H. (gol.), 1 Ion 2011, Hyperbranched Polymers: Synthesis, Properties, and Applications. 2011 gol. Wiley

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

15. Cyhoeddwyd

    Hypotheses about recreational congestion: tests in the Forest of Dean (England) and wider management implications.

    Price, C., Chambers, T. W., Font, X. (gol.) & Tribe, J. (gol.), 1 Ion 2000, Forest Tourism and Recreation: Case Studies in Environmental Management.. 2000 gol. CABI Publishing, t. 55-74

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

16. Cyhoeddwyd

    Hysterangium bonobo: A newly described truffle species that is eaten by bonobos in the Democratic Republic of Congo

    Elliott, T., Georgiev, A. V., Lotana Lokasola, A. & Smith, M., 1 Tach 2020, Yn: Mycologia. 112, 6, t. 1203-1211 9 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

17. Cyhoeddwyd

    INTEGRATED USE OF BIOCHAR: A TOOL FOR IMPROVING SOIL AND WHEAT QUALITY OF DEGRADED SOIL UNDER WHEAT-MAIZE CROPPING PATTERN

    Ali, K., Arif, M., Jan, M. T., Khan, M. J. & Jones, D. L., 1 Chwef 2015, Yn: Pakistan Journal of Botany. 47, 1, t. 233-240

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

18. Cyhoeddwyd

    INTENSIFICATION BENEFIT INDEX: HOW MUCH CAN RURAL HOUSEHOLDS BENEFIT FROM AGRICULTURAL INTENSIFICATION?

    Harris, D., Ebr 2019, Yn: Experimental Agriculture. 55, 2, t. 273-287

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

19. Cyhoeddwyd

    IPSE/alpha-1, a major secretory glycoprotein antigen from schistosome eggs, expresses the Lewis X motif on core-difucosylated N-glycans.

    Wuhrer, M., Balog, C. I., Catalina, M. I., Jones, F. M., Schtamm, G., Haas, H., Doenhoff, M. J., Dunne, D. W., Deelder, A. M. & Hokke, C. H., 1 Mai 2006, Yn: Febs Journal. 273, 10, t. 2276-2292

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

20. Cyhoeddwyd

    IPSE/alpha-1: A major immunogenic component secreted from Schistosoma mansoni eggs.

    Schramm, G., Gronow, A., Knobloch, J., Wippersteg, V., Grevelding, C. G., Galle, J., Fuller, H., Stanley, R. G., Chiodini, P. L., Haas, H. & Doenhoff, M. J., 1 Mai 2006, Yn: Molecular and Biochemical Parasitology. 147, 1, t. 9-19

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

21. Cyhoeddwyd

    Identification and biology of Diplotaxodon, Rhamphochromis and Pallidochromis.

    Turner, G. F., Robinson, R. L., Shaw, P. W., Carvalho, G. R. & Snoeks, J. (gol.), 1 Ion 2004, The Cichlid Diversity of Lake Malawi/Nyasa/Niassa: Identification: Distribution and Taxonomy. 2004 gol. Cichlid Press, t. 198-251

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

22. Cyhoeddwyd

    Identification and characterization of carboxyl esterases of gill chamber-associated microbiota in the deep-sea shrimp Rimicaris exoculata using functional metagenomics

    Alcaide, M., Tchigvinstsev, A., Martinez-Martinez, M., Popovic, A., Reva, O. N., Lafraya, A., Bargiela, R. N., Nechitaylo, T. Y., Matesanz, R., Cambon-Bonavita, M., Jebbar, M., Savchenko, A., Yakimov, M. M., Golyshina, O., Yakunin, A. F., Golyshin, P., Ferrer, M. & The MAMBA Consortium., N. V., 16 Ion 2015, Yn: Applied and Environmental Microbiology. 81, 6, t. 2125-2136

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

23. Cyhoeddwyd

    Identification and developmental expression of mRNAs encoding crustacean cardioactive peptide (CCAP) in decapod crustaceans.

    Chung, J. S., Wilcockson, D. C., Zmora, N., Zohar, Y., Dircksen, H. & Webster, S. G., 1 Hyd 2006, Yn: Journal of Experimental Biology. 209, 19, t. 3862-3872

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

24. Cyhoeddwyd

    Identification and developmental expression of mRNAs encoding putative insect cuticle hardening hormone, bursicon in the green shore crab Carcinus maenas.

    Wilcockson, D. C. & Webster, S. G., 1 Maw 2008, Yn: General and Comparative Endocrinology. 156, 1, t. 113-125

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

25. Cyhoeddwyd

    Identification and expression of mRNAs encoding bursicon in the plesiomorphic central nervous system of Homarus gammarus.

    Sharp, J. H., Wilcockson, D. C. & Webster, S. G., 1 Hyd 2010, Yn: General and Comparative Endocrinology. 169, 1, t. 65-74

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

26. Cyhoeddwyd

    Identification and molecular structure of the eighteen-vertex macropolyhedral diplatinaoctadecaborane [(PMe2Ph)2Pt2B16H15(C6H4Me)(PMe2Ph)]

    Beckett, M., Greenwood, N., Kennedy, J. D., Salter, P. A. & Thornton-Pett, M., 1986, Yn: Journal of the Chemical Society, Chemical Communications. 7, t. 556-557 2 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

27. Cyhoeddwyd

    Identification and predictability of soil quality indicators from conventional soil and vegetation classifications

    Simfukwe, P., Hill, P. W., Emmett, B. A. & Jones, D. L., 22 Hyd 2021, Yn: PLoS ONE. 16, 10, e0248665.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

28. Cyhoeddwyd

    Identification and quantification of drivers of forest degradation in tropical dry forests: a case study in Western Mexico

    Morales Barquero, L., Morales-Barquero, L., Borrego, A., Skutsch, M., Kleinn, C. & Healey, J. R., 2 Medi 2015, Yn: Land Use Policy. 49, t. 296-309

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

29. Cyhoeddwyd

    Identification of 100 fundamental ecological questions

    Sutherland, W. J., Freckleton, R. P., Godfray, H. C. J., Beissinger, S. R., Benton, T., Cameron, D. D., Carmel, Y., Coomes, D. A., Coulson, T., Emmerson, M. C., Hails, R. S., Hays, G. C., Hodgson, D. J., Hutchings, M. J., Johnson, D., Jones, J. P. G., Keeling, M. J., Kokko, H., Kunin, W. E., Lambin, X., Lewis, O. T., Malhi, Y., Mieszkowska, N., Milner-Gulland, E. J., Norris, K., Phillimore, A. B., Purves, D. W., Reid, J. M., Reuman, D. C., Thompson, K., Travis, J. M. J., Turnbull, L. A., Wardle, D. A. & Wiegand, T., Ion 2013, Yn: Journal of Ecology. 101, 1, t. 58-67

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

30. Cyhoeddwyd

    Identification of Armillaria species on declined oak in Britain: implications for oak health

    Denman, S., Barrett, G., Kirk, S. A., McDonald, J. & Coetzee, M. P. A., 7 Ion 2017, Yn: Forestry. 90, 1, t. 148-161

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

31. Cyhoeddwyd

    Identification of B-KSR1, a novel brain-specific isoform of KSR1 that functions in neuronal signaling

    Muller, J., Cacace, A. M., Lyons, W. E., McGill, C. B. & Morrison, D. K., 1 Awst 2000, Yn: Molecular and Cellular Biology. 20, 15, t. 5529-5539

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

32. Cyhoeddwyd

    Identification of Kompetitive Alelle Specific PCR (KASP) Assays to Authenticate Basmati - FA0172

    Steele, K., 2019, Department for Environment, Food & Rural Affairs. 27 t.

    Allbwn ymchwil: Llyfr/Adroddiad › Adroddiad Comisiwn

33. Cyhoeddwyd

    Identification of a MYCN and Wnt-related VANGL2-ITLN1 fusion gene in neuroblastoma

    Duffy, D., Konietzny, A., Krstic, A., Mehta, J. P., Halasz, M. & Koch, W., 1 Medi 2018, Yn: Gene Reports. t. 187-200

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

34. Cyhoeddwyd

    Identification of a class of human cancer germline genes with transcriptional silencing refractory to the hypomethylating drug 5-aza-2'-deoxycytidine

    Almatrafi, A., Feichtinger, J., Vernon, E. G., Escobar, N. G., Wakeman, J. A., Larcombe, L. D. & McFarlane, R. J., 10 Tach 2014, Yn: Oncoscience. 1, 11, t. 745-750 6 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

35. Cyhoeddwyd

    Identification of a fibrinolytic enzyme in Schistosoma mansoni eggs and modulated blood fibrinogen metabolism in S. mansonz-infected mice.

    Doenhoff, M. J., Stanley, R. G., Pryce, D., Curtis, R. C., Parry, H., Griffiths, K. & Jackson, C. L., 1 Maw 2003, Yn: Parasitology. 126, 3, t. 231-234

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

36. Cyhoeddwyd

    Identification of a new glucosinolate-rich cell type in Arabidopsis flower stalk.

    Koroleva, O. A., Davies, A., Deeken, R., Thorpe, M. R., Tomos, A. D. & Hedrich, R., 1 Hyd 2000, Yn: Plant Physiology. 124, 2, t. 599-608

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

37. Cyhoeddwyd

    Identification of an Amylomaltase from the Halophilic Archaeon Haloquadratum walsbyi by Functional Metagenomics: Structural and Functional Insights

    Leoni, C., Manzari, C., Hai, T., Golyshin, P., Pesole, G., Volpicella, M. & Ceci, L. R., 7 Ion 2022, Yn: Life. 12, 1

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

38. Cyhoeddwyd

    Identification of cutaneous Leishmaniasis vectors, Phlebotomus papatasi and P-duboscqi using random amplified polymorphic DNA

    Mukhopadhyay, J., Ghosh, K. & Braig, H. R., 2 Hyd 2000, Yn: Acta Tropica. 76, 3, t. 277-283

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

39. Cyhoeddwyd

    Identification of novel nitroreductases from Bacillus cereus and their interaction with the CB1954 prodrug

    Paramasivan, P., Halliwell, J. H., Gwenin, V. V., Poornima, P., Halliwell, J., Ball, P., Robinson, G. & Gwenin, C. D., 28 Medi 2015, Yn: Biochemical Pharmacology. 98, 3, t. 392-402

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

40. Cyhoeddwyd

    Identification of promoter regions in the Arabidopsis thaliana atExt1 extensin gene controlling late responses to wounding and pathogen attack

    Roberts, K. C., Shirsat, A. H., Roberts, K., Merkouropoulos, G. & Shirsat, A., 1 Meh 2013, Yn: Biologia Plantarum. 57, 2, t. 341-350

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

41. Cyhoeddwyd

    Identification of the remains of King Richard III

    King, T. E., Fortes, G. G., Balaresque, P., Thomas, M. G., Balding, D., Delser, P. M., Neumann, R., Parson, W., Knapp, M., Walsh, S., Tonasso, L., Holt, J., Kayser, M., Appleby, J., Forster, P., Ekserdjian, D., Hofreiter, M. & Schurer, K., 2 Rhag 2014, Yn: Nature Communications. 5

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

42. Cyhoeddwyd

    Identification of the smallest structure capable of evoking opsonophagocytic antibodies against Streptococcus pneumoniae type 14

    Safari, D., Dekker, H. A. T., Joosten, J. A. F., Michalik, D., de Souza, A. C., Adamo, R., Lahmann, M., Sundgren, A., Oscarson, S., Kamerling, J. P. & Snippe, H., Hyd 2008, Yn: Infection and Immunity. 76, 10, t. 4615-4623

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

43. Cyhoeddwyd

    Identification of trehalose as a compatible solute in different species of acidophilic bacteria

    Galleguillos, P. A., Grail, B. M., Hallberg, K. B., Demergasso, C. S. & Johnson, D. B., Hyd 2018, Yn: Journal of Microbiology. 56, 10, t. 727-733 7 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

44. Cyhoeddwyd

    Identifying Foraging Behaviour of Wild Bottlenose Dolphins (Tursiops truncatus) and Harbour Porpoises (Phocoena phocoena) with Static Acoustic Dataloggers

    Nuuttila, H. K., Meier, R., Evans, P. G. H., Turner, J. R., Bennell, J. D. & Hiddink, J. G., 2013, Yn: Aquatic Mammals. 39, 2, t. 147-161

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

45. Cyhoeddwyd

    Identifying and prioritizing opportunities for improving efficiency on the farm: holistic metrics and benchmarking with Data Envelopment Analysis

    Soteriades, A., Rowland, K., Roberts, D. J. & Stott, A. W., 1 Meh 2018, Yn: International Journal of Agricultural Management. 7, 1, t. 16-29 14 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

46. Cyhoeddwyd

    Identifying barriers to routine soil testing within beef and sheep farming systems

    Rhymes, J., Wynne-Jones, S., Williams, P., Harris, I., Rose, D., Chadwick, D. & Jones, D. L., 15 Rhag 2021, Yn: Geoderma. 404, 115298.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

47. Cyhoeddwyd

    Identifying drivers of species compositional change in a semi-natural upland grassland over a 40-year period.

    McGovern, S., Evans, C. D., Dennis, P., Walmsley, C. & McDonald, M. A., 1 Ebr 2011, Yn: Journal of Vegetation Science. 22, 2, t. 346-356

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

48. Cyhoeddwyd

    Identifying famers' preferences and constraints to Pearl Millet production in the Sahel and North-Sudan zones of Burkina Faso

    Drabo, I., Zangre, R. G., Danquah, E. Y., Ofori, K., Witcombe, J. & Hash, C. T., Hyd 2019, Yn: Experimental Agriculture. 55, 5, t. 765-775

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

49. Cyhoeddwyd

    Identifying incursion pathways, early detection responses and management actions to prevent grey squirrel range expansion: an island case study in Wales

    Shuttleworth, C., Halliwell, E. C. & Robertson, P. A., 2016, The grey squirrel: ecology and management in Europe. Shuttleworth, C. M., Lurz, P. W. W. & Gurnell, J. (gol.). European Squirrel Initiative, t. 475-494

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod › adolygiad gan gymheiriaid

50. Cyhoeddwyd

    Identifying indicators of illegal behaviour: carnivore killing in human-managed landscapes

    St John, F., Keane, A., Edwards-Jones, G., Jones, L., Yarnell, R. W. & Jones, J. P. G., 22 Chwef 2012, Yn: Proceedings of the royal Society B. 279, 1729, t. 804-812

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid