By Roberts Stephen K.   in The Welsh History Review

ISSN:0083-792X|21|4|646-674

University Of Wales Press‎(2003)‎

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By Roberts Stephen K.   in The Welsh History Review

ISSN:0083-792X|23|2|25-49

University Of Wales Press‎(2007)‎

Access to resources Favorite 14.283859

By Roberts Stephen K.   Tester Mark   in Journal of Experimental Botany

ISSN:1460-2431|48|4|839-846

Oxford University Press‎(1997)‎

Access to resources Favorite 11.586966