1. 2020
2. Cyhoeddwyd

   Stochastic Evolutionary Dynamics of Trust Games with Asymmetric Parameters

   Lim, I. S., 22 Rhag 2020, Yn: Physical Review E - Statistical, Nonlinear and Soft Matter Physics. 102, 6, 062419.

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

3. Cyhoeddwyd

   Central processing of leg proprioception in Drosophila

   Agrawal, S., Seattle, U. O., Sustar, A., Gurung, P., Shepherd, D., Truman, J. & Tuthill, J., 21 Rhag 2020, Yn: Elife. 9, 32 t., 60299.

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

4. Cyhoeddwyd

   Flat broadband chaos generation in a discrete-mode laser subject to optical feedback

   Chang, D., Zhong, Z., Tang, J., Spencer, P. & Hong, Y., 21 Rhag 2020, Yn: Optics Express. 28, 26, t. 39076-39083

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

5. Cyhoeddwyd

   Shedding of SARS-CoV-2 in feces and urine and its potential role in person-to-person transmission and the environment-based spread of COVID-19

   Jones, D. L., Baluja, M. Q., Graham, D. W., Corbishley, A., McDonald, J. E., Malham, S. K., Hillary, L. S., Connor, T. R., Gaze, W. H., Moura, I. B., Wilcox, M. H. & Farkas, K., 20 Rhag 2020, Yn: Science of the Total Environment. 749, 141364.

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

6. Cyhoeddwyd

   Calibration of shell δ18O from the common whelk Buccinum undatum highlights potential for palaeoenvironmental reconstruction

   Hollyman, P. R., Leng, M. J., Chenery, S. R. N., Sloane, H. J. & Richardson, C. A., 15 Rhag 2020, Yn: Palaeogeography, Palaeoclimatology, Palaeoecology. 560, 109995.

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

7. Cyhoeddwyd

   Changing depocentre environments of Palaeolake Olduvai and carbonates as marker horizons for hiatuses and lake-level extremes

   Hughes, T., Stanistreet, I., Doyle, C., Rushworth, E., Stollhofen, H., Toth, N., Schick, K. & Njau, J., 15 Rhag 2020, Yn: Palaeogeography, Palaeoclimatology, Palaeoecology. 560, 110032.

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

8. Cyhoeddwyd

   Mitochondrial genomes of Late Pleistocene caballine horses from China belong to a separate clade

   Yuan, J., Barlow, A., Sheng, G., Preick, M., Sun, B., Hou, Y., Chen, S., Taron, U. H., Wang, L., Hu, J., Deng, T., Lai, X. & Hofreiter, M., 15 Rhag 2020, Yn: Quaternary Science Reviews. 250

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

9. Cyhoeddwyd

   Short communication on further elucidating the structure of amorphous U2O7 by extended X-ray absorption spectroscopy and DFT simulations

   Thompson, N., Middleburgh, S., Evitts, L., Gilbert, M., Sennett, M. & Hyatt, N., 15 Rhag 2020, Yn: Journal of Nuclear Materials. 542, 152476.

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

10. Cyhoeddwyd

    Microscale Temperature Measurements Within Specific Exposure Systems for Real-Time Cellular Characterization

    Nefzi, A., Orlacchio, R., Carr, L., Lewis, N., Percherancier, Y., Leveque, P. & Arnaud-Cormos, D., 14 Rhag 2020, Yn: 2020 IEEE MTT-S International Microwave Biomedical Conference (IMBioC).

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl

11. Cyhoeddwyd

    Ensembles of ecosystem service models can improve accuracy and indicate uncertainty

    Willcock, S., Hooftman, D., Blanchard, R., Dawson, T. P., Hickler, T., Lindeskog, M., Martinez-Lopez, J., Reyers, B., Watts, S. M., Eigenbrod, F. & Bullock, J., 10 Rhag 2020, Yn: Science of the Total Environment. 747, 36 t., 141006.

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

12. Cyhoeddwyd

    Responding to the UN Sustainability Goals through network action learning

    Dreyer-Gibney, K., Coughlan, P., Coghlan, D., Wu, S-H., Bello-Dambatta, A., Dallison, R., McNabola, A., Novara, D., Rafique, A., Schestak, I., Spriet, J., Walker, N. & Williams, P., 6 Rhag 2020, European Academy of Management.

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

13. Cyhoeddwyd

    Combining Seed Dressing and Foliar Applications of Phosphorus Fertilizer Can Give Similar Crop Growth and Yield Benefits to Soil Applications Together With Greater Recovery Rates

    Talboys, P., Healey, J., Withers, P., Roose, T., Edwards, A., Pavinato, P. S. & Jones, D. L., 4 Rhag 2020, Yn: Frontiers in Agronomy. 2, 10.3389/fagro.2020.605655 .

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

14. Cyhoeddwyd

    Weak tides during Cryogenian glaciations

    Green, M., Davies, H., Duarte, J., Creveling, J. & Scotese, C., 4 Rhag 2020, Yn: Nature Communications. 11, 1, 6227.

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

15. Cyhoeddwyd

    Primatology and Evolutionary Anthropology: Dr Isabelle Winder

    Winder, I. C., 3 Rhag 2020, Conversations in Human Evolution. Timbrell, L. (gol.). Oxford: Archaeopress, Cyfrol 1. t. 98-103

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

16. Cyhoeddwyd

    Local Knowledge about Ecosystem Services Provided by Trees in Coffee Agroforestry Practices in Northwest Vietnam

    Nguyen, M. P., Vaast, P., Pagella, T. & Sinclair, F., 2 Rhag 2020, Yn: Land. 9, 12

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

17. Cyhoeddwyd

    Acidification and anaerobic digestion change the phosphorus forms and distribution in particle fractions of cattle slurry and phosphorus dynamics in soil after application

    Li, Y., Chen, Q., Ge, T., Chadwick, D. R. & Jones, D. L., 1 Rhag 2020, Yn: Biosystems Engineering. 200, t. 101-111

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

18. Cyhoeddwyd

    Climate velocity in inland standing waters

    Woolway, R. I. & Maberly, S. C., 1 Rhag 2020, Yn: Nature Climate Change. 10, 12, t. 1124-U91

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

19. Cyhoeddwyd

    Contrasting responses to salinity and future ocean acidification in arctic populations of the amphipod Gammarus setosus

    Brown, J., Whiteley, N., Bailey, A., Graham, H., Hop, H. & Rastrick, S., 1 Rhag 2020, Yn: Marine Environmental Research. 162, 105176.

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

20. Cyhoeddwyd

    Ecological community dynamics: 20 years of moth sampling reveals the importance of generalists for community stability

    Carvalho, G., Seymour, M., Brown, N., Wood, C., Goertz, S. & de Bruyn, M., 1 Rhag 2020, Yn: Basic and Applied Ecology. 49, t. 34-44 10 t.

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

21. Cyhoeddwyd

    The CEEDER database of evidence reviews: An open-access evidence service for researchers and decision-makers

    Konno, K., Cheng, S. H., Eales, J., Frampton, G., Kohl, C., Livoreil, B., Macura, B., O'Leary, B., Randall, N., Taylor, J., Woodcock, P. & Pullin, A., 1 Rhag 2020, Yn: Environmental Science and Policy. 114, t. 256-262

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

22. Cyhoeddwyd

    The den ecology and the effects of fishing pressure on the distribution of Octopus cyanea (Octopodidae: Mollusca) in Rodrigues lagoon, Rodrigues, Mauritius

    Bhandari, K., 1 Rhag 2020, Yn: Journal of Natural History. 54, 45-46, t. 2961-2977 17 t.

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

23. Cyhoeddwyd

    An Interlaboratory Study on the Stability of All-Printable Hole Transport Material–Free Perovskite Solar Cells

    De Rossi, F., Barbé, J., Tanenbaum, D. M., Cinà, L., Castriotta, L. A., Stoichkov, V., Wei, Z., Tsoi, W. C., Kettle, J., Sadula, A., Chircop, J., Azzopardi, B., Xie, H., Di Carlo, A., Lira-Cantú, M., Katz, E. A., Watson, T. M. & Brunetti, F., Rhag 2020, Yn: Energy technology. 8, 12, 2000134.

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

24. Cyhoeddwyd

    Consequences of survey method for estimating hunters' harvest rates

    Jones, S. C. Z., Papworth, S. K., St John, F. A. V., Vickery, J. A. & Keane, A. M., Rhag 2020, Yn: Conservation Science and Practice. 2, 12, e315.

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

25. Cyhoeddwyd

    Enhancing the stability of Organic Photovoltaics through Machine Learning

    David, T., Scapin Anizelli, H., Jacobsson, T. J., Gray, C., Teahan, W. & Kettle, J., Rhag 2020, Yn: Nano Energy. 78, 105342.

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

26. Cyhoeddwyd

    Phylogenomics and species delimitation for effective conservation of manta and devil rays

    Hosegood, J., Humble, E., Ogden, R., De Bruyn, M., Creer, S., Stevens, G. M. W., Abudaya, M., Bassos-Hull, K., Bonfil, R., Fernando, D., Foote, A., Hipperson, H., Jabado, R. W., Kaden, J., Moazzam, M., Peel, L. R., Pollett, S., Ponzo, A., Poortvliet, M., Salah, J., Senn, H., Stewart, J. D., Wintner, S. & Carvalho, G., Rhag 2020, Yn: Molecular Ecology. 29, 24, t. 4783-4796

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

27. Cyhoeddwyd

    Platelet ice, the Southern Ocean’s hidden ice: a review

    Hoppmann, M., Richter, M. E., Smith, I. J., Jendersie, S., Langhorne, P. J., Thomas, D. N. & Dieckmann, G. S., Rhag 2020, Yn: Annals of Glaciology. 61, 83, t. 341-368

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

28. Cyhoeddwyd

    RNA-Seq analysis of the guppy immune response against Gyrodactylus bullatarudis infection

    Konczal, M., Ellison, A., Phillips, K., Radwan, J., Mohammed, R., Cable, J. & Chadzinska, M., Rhag 2020, Yn: Parasite Immunology. 42, 12, e12782.

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

29. Cyhoeddwyd

    Secondary forests offset less than 10% of deforestation-mediated carbon emissions in the Brazilian Amazon

    Smith, C., Espirito-Santo, F., Healey, J., Young, P., Lennox, G., Ferreira, J. & Barlow, J., Rhag 2020, Yn: Global Change Biology. 26, 12, t. 7006-7020 15 t.

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

30. Cyhoeddwyd

    Summer and Winter Marine Heatwaves Favor an Invasive Over Native Seaweeds

    Atkinson, J., King, N. G., Wilmes, S. B. & Moore, P. J., Rhag 2020, Yn: European Journal of Phycology. 56, 6, t. 1591-1600

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

31. Cyhoeddwyd

    The challenges of constraining shelf sea tidal models using seabed sediment grain size as a proxy for tidal currents

    Ward, S., Scourse, J., Yokoyama, Y. & Neill, S., Rhag 2020, Yn: Continental Shelf Research. 205, 104165.

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

32. Cyhoeddwyd

    A Model of Aerobic and Anaerobic Metabolism of Hydrogen in the Extremophile Acidithiobacillus ferrooxidans

    Kucera, J., Lochman, J., Bouchal, P., Pakostova, E., Mikulasek, K., Hedrich, S., Janiczek, O., Mandl, M. & Johnson, D. B., 30 Tach 2020, Yn: Frontiers in Microbiology. 11, 610836.

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

33. Cyhoeddwyd

    Variability in epilimnion depth estimations in lakes

    Wilson, H. L., Ayala, A. I., Jones, I. D., Rolston, A., Pierson, D., de Eyto, E., Grossart, H-P., Perga, M-E., Woolway, R. I. & Jennings, E., 24 Tach 2020, Yn: Hydrology and Earth System Sciences. 24, 11, t. 5559-5577

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

34. Cyhoeddwyd

    Evaluating the circular economy for sanitation: Findings from a multi-case approach

    Mallory, A., Akrofi, D., Dizon, J., Mohanty, S., Parker, A., Rey Vicario, D., Prasad, S., Welvita, I., Brewer, T., Mekala, S., Bundhoo, D., Lynch, K., Mishra, P., Willcock, S. & Hutchings, P., 20 Tach 2020, Yn: Science of the Total Environment. 744, 36 t., 140871.

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

35. Cyhoeddwyd

    High-precision branching ratio measurement and spin assignment implications for Ga-62 superallowed beta decay

    MacLean, A. D., Laffoley, A. T., Svensson, C. E., Ball, G. C., Leslie, J. R., Andreoiu, C., Babu, A., Bhattacharjee, S. S., Bidaman, H., Bildstein, V., Burbadge, C., Bowry, M., Cheng, C., Cross, D. S., Diaz-Varela, A., Dillmann, I., Dunlop, M. R., Dunlop, R., Evitts, L. J., Finlay, P., Gillespie, S., Garnsworthy, A. B., Garrett, P. E., Gopaul, E., Grinyer, G. F., Hackman, G., Jigmeddorj, B., Leach, K. G., Kassanda, E., McAfee, J., Moukaddam, M., Natzke, C., Nittala, S., Olaizola, B., Park, J., Paxman, C., Pore, J. L., Porzio, C., Radich, A. J., Ruotsalainen, P., Saito, Y., Sharma, S., Smallcombe, J., Sultana, R., Turko, J., Yates, D. & Zidar, T., 19 Tach 2020, Yn: Physical Review C. 102, 5, 054325.

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

36. Cyhoeddwyd

    High representation of archaea across all depths in oxic and low-pH sediment layers underlying an acidic stream

    Distaso, M., Bargiela, R., Brailsford, F., Williams, G., Wright, S., Lunev, E. A., Toshchakov, S. V., Yakimov, M. M., Jones, D. L., Golyshin, P. & Golyshina, O., 17 Tach 2020, Yn: Frontiers in Microbiology. 11, t. 576520

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

37. Cyhoeddwyd

    Tides, the Moon and the Kaleidoscope of Ocean Mixing

    Rippeth, T. & Green, M., 16 Tach 2020, Oceanography and Marine Biology: An Annual Review. Hawkins, S. J., Allcock, A. L., Bates, A. E., Evans, A. J., Firth, L. B., McQuaid, C. D., Russell, B. D., Smith, I. P., Swearer, S. E. & Todd, P. A. (gol.). Taylor & Francis, Cyfrol 58. t. 319-350

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

38. Cyhoeddwyd

    A microplate screen to estimate metal-binding affinities of metalloproteins

    Diep, P., Mahadevan, R. & Yakunin, A. F., 15 Tach 2020, Yn: Analytical biochemistry. 609, t. 113836

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

39. Cyhoeddwyd

    Factors affecting byssus attachment in juvenile scallops, Pecten maximus (L.)

    Galley, T., Beaumont, A., Le Vay, L. & King, J., 15 Tach 2020, Yn: Aquaculture. 528, 735504.

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

40. Cyhoeddwyd

    Spectroscopic study of Ca-47 from the beta(-) decay of K-47

    Garnsworthy, A. B., Pore, J. L., Andreoiu, C., MacLean, A. D., Chester, A., Beadle, Z., Ball, G. C., Bender, P. C., Bildstein, V., Braid, R., Varela, A. D., Dunlop, R., Evitts, L. J., Garrett, P. E., Hackman, G., Ilyushkin, S. V., Jigmeddorj, B., Kuhn, K., Laffoley, A. T., Leach, K. G., Miller, D., Mills, W. J., Moore, W., Moukaddam, M., Olaizola, B., Peters, E. E., Radich, A. J., Rand, E. T., Sarazin, F., Svensson, C. E., Yates, S. W., Smith, J. K. & Williams, S. J., 11 Tach 2020, Yn: Physical Review C. 102, 5, t. 054314 1 t.

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

41. Cyhoeddwyd

    Bardsey – an island in a strong tidal stream: Underestimating coastal tides due to unresolved topography

    Green, M. & Pugh, D., 9 Tach 2020, Yn: Ocean Science. 16, 6, t. 1337–1345

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

42. Cyhoeddwyd

    Comparison of Contemporary Elm (Ulmus spp.) and degraded Archaeological Elm: the use of dynamic mechanical analysis under ambient moisture conditions

    Spear, M. & Broda, M., 7 Tach 2020, Yn: Materials. 13, 21, 5026.

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

43. Cyhoeddwyd

    Non-linear landscape and cultural response to sea-level rise

    Barnett, R., Charman, D. J., Johns, C., Ward, S., Bevan, A., Bradley, S. L., Cambridge, K., Fyfe, R. M., Gehrels, W. R., Hatton, J., Khan, N. S., Marshall, P., Maezumi, S. Y., Mills, S., Mulville, J., Perez, M., Roberts, H. M., Scourse, J. D., Shepherd, F. & Stevens, T., 4 Tach 2020, Yn: Science Advances. 6, 45, eabb6376.

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

44. Cyhoeddwyd

    Polyphenolic Profiling of Forestry Waste by UPLC-HDMSE

    Potter, C. M. & Jones, D. L., 4 Tach 2020, Yn: Processes. 8

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

45. Cyhoeddwyd

    Accurate estimation of fish length in single camera photogrammetry with a fiducial marker

    Monkman, G. G., Hyder, K., Kaiser, M. J. & Vidal, F. P., 1 Tach 2020, Yn: ICES Journal of Marine Science. 77, 6, t. 2245-2254 10 t.

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

46. Cyhoeddwyd

    Advances in metabarcoding techniques bring us closer to reliable monitoring of the marine benthos

    Steyaert, M., Priestley, V., Osborne, O., Herraiz, A., Arnold, R. & Savolainen, V., 1 Tach 2020, Yn: Journal of Applied Ecology. 57, 11, t. 2234–2245

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

47. Cyhoeddwyd

    Are novel ecosystems the only novelty of rewilding?

    Klop-Toker, K., Clulow, S., Shuttleworth, C. & Hayward, M., 1 Tach 2020, Yn: Restoration Ecology. 28, t. 1318-1320

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

48. Cyhoeddwyd

    Carbon and sulphur tracing from soil organic sulphur in plants and soil microorganisms

    Ma, Q., Luo, Y., Wen, Y., Hill, P. W., Chadwick, D. R., Wu, L. & Jones, D. L., 1 Tach 2020, Yn: Soil Biology and Biochemistry. 150, 107971.

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

49. Cyhoeddwyd

    Co-Generation in the Early Days of Nuclear Power: Part 1: Calder Hall and Chapelcross

    Rushton, M. J. D. & Lee, W. E., 1 Tach 2020, Yn: Nuclear Future. 16, 6, t. 51-54

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

50. Cyhoeddwyd

    Ethical dilemmas when using citizen science for early detection of invasive tree pests and diseases

    Pocock, M. J. O., Marzano, M., Bullas-Appleton, E., Dyke, A., de Groot, M., Shuttleworth, C. & White, R., 1 Tach 2020, Yn: Management of Biological Invasions. 11, t. 720-732

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

51. 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