By Bousman William G.   in Journal of the American Helicopter Society

ISSN:2161-6027|35|4|53-62

AHS International‎(1990)‎

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By Bousman William G.   in Journal of the American Helicopter Society

ISSN:2161-6027|26|1|46-54

AHS International‎(1981)‎

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By Knapp William G.   in Journal of the American Helicopter Society

ISSN:2161-6027|1|1|93-102

AHS International‎(1956)‎

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By Bousman William G.   in Journal of the American Helicopter Society

ISSN:2161-6027|22|3|10-12

AHS International‎(1977)‎

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By Bousman William G.   in Journal of the American Helicopter Society

ISSN:2161-6027|43|4|279-295

AHS International‎(1998)‎

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By Howard William G.   in Journal of Forestry

ISSN:0022-1201|45|6|405-407

Society of American Foresters‎(1947)‎

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By Bousman William G.   in Journal of the American Helicopter Society

ISSN:2161-6027|46|4|239-250

AHS International‎(2001)‎

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By Armes William G.   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2007|7|301-305

Water Environment Federation‎(2007)‎

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By Stannard William G.   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2004|2|330-342

Water Environment Federation‎(2004)‎

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By EBERHARD WILLIAM G.   in Annals of the Entomological Society of America

ISSN:1938-2901|91|6|863-871

Entomological Society of America‎(1998)‎

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