By Schaffer Bruce   Hawksworth Frank G.   Beemsterboer Paul   in Forest Science

ISSN:0015-749X|29|1|124-126

Society of American Foresters‎(1983)‎

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By Martin Cliff G.   Mannion Catharine   Schaffer Bruce   in Journal of Economic Entomology

ISSN:1938-291X|102|3|1141-1150

Entomological Society of America‎(2009)‎

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By Diaz Alex P.   Mannion Catharine   Schaffer Bruce   in Journal of Economic Entomology

ISSN:1938-291X|99|3|811-821

Entomological Society of America‎(2006)‎

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By   Schaffer Bruce   Colls Angel   Litz Richard   Moon Pamela   in In Vitro Cellular and Development Biology - Plant

ISSN:1475-2689|35|3|238-244

Springer Publishing Company ‎(1999)‎

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By Schaffer Bruce   Crane Jonathan   Li Chunfang   Li Yuncong   Evans Edward   in Journal of Plant Nutrition

ISSN:0190-4167|34|9|1341-1359

Taylor & Francis Ltd‎(2011)‎

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By Schaffer Bruce   Hawksworth Frank G.   Wullschleger Stan D.   Patrick Reid C. P.   in Forest Science

ISSN:0015-749X|29|1|66-70

Society of American Foresters‎(1983)‎

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