Coleg Gwyddoniaeth a Pheirianneg
- Erthygl › Ymchwil › Adolygwyd gan gymheiriaid
- Cyhoeddwyd
A supramodular FHA/BRCT-Repeat architecture mediates Nbs1 adaptor function in response to DNA damage.
Lloyd, J., Chapman, J. R., Clapperton, J. A., Haire, L. F., Hartsuiker, E., Li, J., Carr, A. M., Jackson, S. P. & Smerdon, S. J., 2 Hyd 2009, Yn: Cell. 139, 1, t. 100-111Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A supramolecular assembly: aquatris(pentafluorophenyl)borane as its mixed dimethyl sulfone and water solvate, (H2O)B(C6F5)3 Me2SO2
Coles, S. J., Hursthouse, M. B., Beckett, M. A. & Dutton, M., 1 Ion 2003, Yn: Acta Crystallographica Section E: Structure Reports Online. 59, (9), t. o1354-o1356Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A synthesis of crambescidin 359.
Moore, C. G., Murphy, P. J., Williams, H. L., McGown, A. T. & Smith, N. K., 6 Ion 2003, Yn: Tetrahedron Letters. 44, 2, t. 251-254Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A synthesis of goniofufurone
Murphy, P. J., 1992, Yn: Journal of the Chemical Society, Chemical Communications. 16, t. 1096-1097 2 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A synthesis of tiruchanduramine and a reinvestigation of its glycosidase inhibitory activity
Buck, M., Evans, D., Evans, V. A., Herkt, D., Sharp, H., Hollinshead, J., Mitschang, F., Murphy, P., Nash, R. J. & Wenbourne, J., 3 Awst 2017, Yn: Tetrahedron. 73, 31, t. 4545-4548Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A synthetic approach to the plakortones
Bittner, C., Burgo, A., Murphy, P. J., Sung, C. H. & Thornhill, A. J., 23 Ebr 1999, Yn: Tetrahedron Letters. 40, 17, t. 3455-3456 2 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A systematic assessment of the impact of adenovirus infection on a captive re-introduction project for red squirrels (Sciurus vulgaris)
Everest, D. J., Shuttleworth, C., Grierson, S. S., Duff, J. P., Jackson, N., Litherland, P. & Kenward, R. E., 31 Awst 2012, Yn: Veterinary Record. 171, t. 176-184Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A systematic review of evidence for the added benefits to health of exposure to natural environments.
Knight, T. M., Bowler, D. E., Buyung-Ali, L. M., Knight, T. & Pullin, A. S., 4 Awst 2010, Yn: BMC Public Health. 10, t. 456Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A systematic review of the effectiveness of liming to mitigate impacts of river acidification on fish and macro-invertebrates
Mant, R. C., Jones, D. L., Reynolds, B., Ormerod, S. J. & Pullin, A. S., 22 Mai 2013, Yn: Environmental Pollution. 179, t. 285-293Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A systematic review of the effects of recreational activities on nesting birds of prey
Martinez-Abrain, A., Oro, D., Jimenez, J., Stewart, G. & Pullin, A., Meh 2010, Yn: Basic and Applied Ecology. 11, 4, t. 312-319Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A systematic review of the reliability and validity of discrete choice experiments in valuing non-market environmental goods
Rakotonarivo, O., Schaafsma, M. & Hockley, N., 1 Rhag 2016, Yn: Journal of Environmental Management. 183, 1, t. 98-109Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A taxonomic look at instance-based stream classifier
Gunn, I., Arnaiz-Gonzalez, A. & Kuncheva, L., 19 Ebr 2018, Yn: Neurocomputing. 286, t. 167–178 12 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A technique for the molecular genetic analysis of Daphnia resting eggs from sub-recent lake sediments.
Reid, V. A., Carvalho, G. R., George, D. G. & Griffiths, H. I., 1 Mai 2002, Yn: Journal of Paleolimnology. 27, 4, t. 481-486Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A temporal refuge from predation can change the outcome of prey species competition
Slade, A., White, A., Lurz, P. W. W., Shuttleworth, C. & Lambin, X., 1 Medi 2022, Yn: Oikos. Oikos e08565Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A test of the influence of tidal stream polarity on the structure of turbulent dissipation.
Simpson, J. H. & Tinker, J. P., 15 Ion 2009, Yn: Continental Shelf Research. 29, 1, t. 320-332Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A theoretical comparison of methods of quantification of radioactive contamination in soil using in situ gamma spectrometry
MacDonald, J., Gibson, C., Fish, P. & Assinder, D., 1997, Yn: Journal of Radiological Protection. 17, 1, t. 3-15 13 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A theoretical study on six classifier fusion strategies.
Kuncheva, L. I., 1 Chwef 2002, Yn: IEEE Transactions on Pattern Analysis and Machine Intelligence. 24, 2, t. 281-286Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A third transposable element, ISPpu12, from the toluene-xylene catabolic plasmid pWWO of Pseudomonas putida mt-2.
Williams, P. A., Jones, R. M. & Shaw, L. E., 1 Rhag 2002, Yn: Journal of Bacteriology. 184, 23, t. 6572-6580Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A tough nut to crack: red squirrel conservation in Wales
Shuttleworth, C., 1 Hyd 2003, Yn: Biologist. 50, t. 231-235Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A transdisciplinary co-conceptualisation of marine identity
Buchan, P. M., Glithero, L. D., McKinley, E., Strand, M., Champion, G., Kochalski, S., Velentza, K., Praptiwi, R. A., Jung, J., Márquez, M. C., Marra, M. V., Abels, L. M., Neilson, A. L., Spavieri, J., Whittey, K. E., Samuel, M. M., Hale, R., Čermák, A., Whyte, D., West, L., Stithou, M., Hegland, T. J., Morris-Webb, E. S., Flander-Putrle, V., Schiefer, P., Sutton, S., Onwubiko, C., Adeoye, O., Akpan, A. & Payne, D. L., Rhag 2024, Yn: People and Nature. 6, 6, t. 2300-2324 25 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A transitional fossil mite (Astigmata: Levantoglyphidae fam. n.) from the early Cretaceous suggests gradual evolution of phoresy-related metamorphosis
Klimov, P. B., Vorontsov, D. D., Azar, D., Sidorchuk, E. A., Braig, H. R., Khaustov, A. A. & Tolstikov, A. V., 23 Gorff 2021, Yn: Scientific Reports. 11, 1, 15113.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A two-stage sampling strategy improves chamber-based estimates of greenhouse gas fluxes
He, Y., Gibbons, J. & Rayment, M., 15 Tach 2016, Yn: Agricultural and Forest Meteorology. 228-229, t. 52-59Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A unified approach to Plasmon-Polariton and Brewster mode dynamics in media with interfacial surface-admittance
Christie, D. C. & Tucker, R. W., Hyd 2018, Yn: Annals of Physics. 397, t. 365-399Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A versatile synthesis of benzothieno-annelated 1,2-dihydropyridine and 1,2,3,4-tetrahydropyridine derivatives: the effect of the structure of benzothieno-annelated pyridinium salts on their reduction by sodium borohydride.
Kryuchkov, M. A., Zubatyk, R. I., Perepichka, I. F., Shishkin, O. V. & Tolkunov, S. V., 1 Ion 2010, Yn: Monatshefte Fur Chemie. 141, 1, t. 35-43Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A warm Jet in a cold ocean
MacKinnon, J., Lenn, Y.-D., Simmons, H. L., Hargrove, J., Thomson, J., Peacock, T., Alford, M. H., Barton, B. I., Boury, S., Brenner, S. D., Couto, N., Danielson, S. L., Fine, E. C., Graber, H. C., Guthrie, J., Hopkins, J. E., Jayne, S. R., Jeon, C., Klenz, T., Lee, C. M., Lucas, A. J., Lund, B., Mahaffey, C., Norman, L., Rainville, L., Smith, M. M., Thomas, L. N., Torres-Valdes, S. & Wood, K. R., 23 Ebr 2021, Yn: Nature Communications. 12, 1, t. 2418Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A weighted voting framework for classifiers ensembles
Kuncheva, L. I. & Rodríguez, J. J., 1 Chwef 2014, Yn: Knowledge and Information Systems. 38, 2, t. 259-275Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A wide-angle shift-free metamaterial filter design for anti-laser striking application
Monks, J., Yue, L., Yan, B., Aldred, B., Hurst, A. & Wang, Z., 15 Rhag 2018, Yn: Optics Communications. 429, t. 53-59 7 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
AC Impedance Studies on Metal/Nanoporous Silicon/p-Silicon Structures
Mabrook, M., Ebr 2017, Yn: Journal of Electronic Materials. 46, 4, t. 2106-2111Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
AFLP and RFLP (RG57) fingerprints can give conflicting evidence about the relatedness of isolates of Phytophthora infestans.
Purvis, A. I., Pipe, N. D., Day, J. P., Shattock, R. C., Shaw, D. S. & Assinder, S. J., 1 Tach 2001, Yn: Mycological Research. 105, 11, t. 1321-1330Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
AFLP-based genetic linkage maps of the blue mussel Mytilus edulis.
Lallias, D. S., Lapegue, S., Hecquet, C., Boudry, P. & Beaumont, A. R., 1 Awst 2007, Yn: Animal Genetics. 38, 4, t. 340-349Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
ASSESSMENT AND MONITORING OF AESTHETIC APPEARANCE OF BUILDING BIOMATERIALS ALONG THE SERVICE LIFE
Ormondroyd, G. & Dimitriou, A., 2017, Yn: WIT Transactions on Ecology and the Environment . 226, t. 527 536 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
ATP generation during reduced inorganic sulfur compound oxidation by Acidithiobacillus caldus is exclusively due to electron transport phosphorylation.
Dopson, M., Lindstrom, E. B. & Hallberg, K. B., 1 Ebr 2002, Yn: Extremophiles. 6, 2, t. 123-129Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
AVOTREX: A Global Dataset of Extinct Birds and Their Traits
Sayol, F., Wayman, J. P., Dufour, P., Martin, T. E., Hume, J. P., Jørgensen, M. W., Martínez-Rubio, N., Sanglas, A., Soares, F. C., Cooke, R., Mendenhall, C. D., Margolis, J. R., Illera, J. C., Lemoine, R., Benavides, E., Lapiedra, O., Triantis, K. A., Pigot, A. L., Tobias, J. A., Faurby, S. & Matthews, T. J., Rhag 2024, Yn: Global Ecology and Biogeography. 33, 12, t. e13927Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Ab initio conformational analysis of an N- an C-terminally-protected valyl-alanine dipeptide model
Chasse, G. A., Chun, C. P., Connor, A. A. & Chass, G. A., 30 Medi 2005, Yn: Journal of Molecular Structure: THEOCHEM. 729, 3, t. 177-184Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Abandoning or Reimagining a Cultural Heartland? Understanding and Responding to Rewilding Conflicts in Wales - the case of the Cambrian Wildwood.
Wynne-Jones, S., Holmes, G. & Strouts, G., 1 Awst 2018, Yn: Environmental Values. 27, 4Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Abiotic and biotic controls of soil dissolved organic nitrogen along a precipitation gradient on the Tibetan plateau
Jiang, L., Wang, S., Pang, Z., Wang, C., Meng, F., Lan, Z., Zhou, X., Li, Y., Zhang, Z., Luo, C., Jones, D. L., Rui, Y. & Wang, Y., Chwef 2021, Yn: Plant and Soil. 459, 1-2, t. 65-78Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Above-below surface interactions mediate effects of seagrass disturbance on meiobenthic diversity, nematode and polychaete trophic structure
Nascimento, F. J. A., Dahl, M., Deyanova, D., Lyimo, L. D., Bik, H. M., Pereira, T. J., Bjork, M., Creer, S. & Gullstrom, M., 4 Hyd 2019, Yn: Communications Biology. 2, 362.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Aboveground biomass density models for NASA’s Global Ecosystem Dynamics Investigation (GEDI) lidar mission
Duncanson, L., Kellner, J. R., Armston, J., Dubayah, R., Minor, D. M., Hancock, S., Healey, S. P., Patterson, P. L., Saarela, S., Marselis, S., Silva, C. E., Bruening, J., Goetz, S. J., Tang, H., Hofton, M., Blair, B., Luthcke, S., Fatoyinbo, L., Abernethy, K., Alonso, A., Andersen, H.-E., Aplin, P., Baker, T. R., Barbier, N., Bastin, J. F., Biber, P., Boeckx, P., Bogaert, J., Boschetti, L., Boucher, P. B., Boyd, D. S., Burslem, D. F. R. P., Calvo-Rodriguez, S., Chave, J., Chazdon, R. L., Clark, D. B., Clark, D. A., Cohen, W. B., Coomes, D. A., Corona, P., Cushman, K. C., Cutler, M. E. J., Dalling, J. W., Dalponte, M., Dash, J., de-Miguel, S., Deng, S., Ellis, P. W., Erasmus, B., Fekety, P. A., Fernandez-Landa, A., Ferraz, A., Fischer, R., Fisher, A. G., García-Abril, A., Gobakken, T., Hacker, J. M., Heurich, M., Hill, R. A., Hopkinson, C., Huang, H., Hubbell, S. P., Hudak, A. T., Huth, A., Imbach, B., Jeffery, K. J., Katoh, M., Kearsley, E., Kenfack, D., Kljun, N., Knapp, N., Král, K., Krůček, M., Labrière, N., Lewis, S. L., Longo, M., Lucas, R. M., Main, R., Manzanera, J. A., Martínez, R. V., Mathieu, R., Memiaghe, H., Meyer, V., Mendoza, A. M., Monerris, A., Montesano, P., Morsdorf, F., Næsset, E., Naidoo, L., Nilus, R., O’Brien, M., Orwig, D. A., Papathanassiou, K., Parker, G., Philipson, C., Phillips, O. L., Pisek, J., Poulsen, J. R., Pretzsch, H., Rüdiger, C., Saatchi, S., Sanchez-Azofeifa, A., Sanchez-Lopez, N., Scholes, R., Silva, C. A., Simard, M., Skidmore, A., Stereńczak, K., Tanase, M., Torresan, C., Valbuena, R., Verbeeck, H., Vrska, T., Wessels, K., White, J. C., White, L. J. T., Zahabu, E. & Zgraggen, C., 2022, Yn: Remote Sensing of Environment. 270Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Aboveground carbon sequestration of Cunninghamia lanceolata forests: Magnitude and drivers
Wang, C., Liu, S., Zhu, Y., Smith, A., Ning, Y. & Deng, D., 24 Ion 2024, Yn: Forest Ecosystems. 100165.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Absence of Escherichia coli 0157:H7 in sheep and cattle faeces in North Wales
Alhefli, N. A., Adam, H., Jones, D. & Williams, P., 10 Awst 2013, Yn: Veterinary Record. 173, 6, t. 143-143Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Absolute chronologies from the ocean: records from the longest-lived, non-colonial animals on Earth.
Wanamaker, A. D., Scourse, J. D., Richardson, C. A., Butler, P., Reynolds, D. & Ridgway, I., 1 Awst 2008, Yn: PAGES News. 16, t. 4-6Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Absorption of Volatile Organic Compounds by Different Wool Types
Mansour, E., Curling, S. F., Stéphan, A. & Ormondroyd, G. A., Maw 2016, Yn: Green Materials. 4, 1Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Abundance and Distribution of Enteric Bacteria and Viruses in Coastal and Estuarine Sediments—a Review
Hassard, F., Gwyther, C. L., Farkas, K., Andrews, A., Jones, V., Cox, B., Brett, H., Jones, D., McDonald, J. & Malham, S., 1 Tach 2016, Yn: Frontiers in Microbiology.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Abundance and distribution of the harbour porpoise (Phocoena phocoena) on the north coast of Anglesey, Wales, UK.
Shucksmith, R., Jones, N. H., Stoyle, G. W., Davies, A. J. & Dicks, E. F., 1 Awst 2009, Yn: Journal of the Marine Biological Association of the United Kingdom. 89, 5, t. 1051-1058Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Abundance and reproduction of Nilsson's pipefish on tidal flats.
Hiddink, J. G. & Jager, Z., 1 Rhag 2002, Yn: Journal of Fish Biology. 61, Supplement A, t. 125-137Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Abundance, distribution and characteristics of microplastics in the North and South Atlantic Ocean
Andersen, R., Harsaae, A. L., kellner, A., Smyth, A., Rosenkrantz Westermann, T. A., Green, M., Vollertsen, J., Syberg, K. & Lorenz, C., 1 Rhag 2024, Yn: Marine Pollution Bulletin. 117217.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Abundance, population structure and claw morphology of the semi-terrestrial crab Pachygrapsus marmoratus (Fabricius, 1787) on shores of differing wave exposure.
Silva, A. C., Brazao, S., Hawkins, S. J., Thompson, R. C. & Boaventura, D. M., 1 Tach 2009, Yn: Marine Biology. 156, 12, t. 2591-2599Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Academic ecosystems must evolve to support a sustainable postdoc workforce
Alund, M., Emery, N., Jarrett, B. J. M., MacLeod, K. J., McCreery, H. F., Mamoozadeh, N., Phillips, J. G., Schossau, J., Thompson, A. W., Warwick, A. R., Yule, K. M., Zylstra, E. R. & Gering, E., 1 Meh 2020, Yn: Nature Ecology and Evolution. 4, 6, t. 777-781Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Accelerating public sector rice breeding with high-density KASP markers derived from whole genome sequencing of indica rice
Steele, K., Quinton-Tulloch, M., Amgai, R. B., Dhakal, R., Khatiwada, S. P., Vyas, D., Heine, M. & Witcombe, J., Ebr 2018, Yn: Molecular Breeding. 38, 38.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Accommodation and Diffusion of Nd in Uranium Silicide - U3Si2
Liu, H., Messina, L., Claisse, A., Middleburgh, S., Schuler, T. & Olsson, P., 15 Ebr 2021, Yn: Journal of Nuclear Materials. 547, 152794.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid