ID:DA06101474
同姓同名の著者を検索
Robert W. Butler
Environment Canada, Canadian Wildlife Service c1995 Occasional paper / Canadian Wildlife Service no. 86
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Robert W. Butler, Kees Vermeer, editors
Environment Canada, Canadian Wildlife Service c1994 Occasional paper / Canadian Wildlife Service no. 83
Kees Vermeer, Robert W. Butler, Ken H. Morgan, editors
Environment Canada, Canadian Wildlife Service c1992 Occasional paper / Canadian Wildlife Service no. 75
Robert W. Butler, R. Wayne Campbell
Environment Canada, Canadian Wildlife Service c1987 Occasional paper / Canadian Wildlife Service no. 65
Robert W. Butler, Brain G. Stushnoff, Edward McMackin
Canadian Wildlife Service 1986 Occasional paper / Canadian Wildlife Service no. 58