1.
図書 |
Donald L. Keister and Perry B. Cregan, editors
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2.
図書 |
George L. Steffens and Theron S. Rumsey, editors
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3.
図書 |
Werner J. Meudt, editor ; organized by the BARC Symposium VI Committee, Albert A. Piringer, chairman ; sponsored by the Beltsville Agricultural Research Center, Northeastern Region, Agricultural Research Service, United States Department of Agriculture
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4.
図書 |
presented at a symposium held May 14-17, 1978, at the Beltsville Agricultural Research Center (BARC), Beltsville, Maryland ... ; organized by the BARC Symposium III Committee, Harold W. Hawk, Chairman ; sponsored by the Beltsville Agricultural Research Center Northeastern Region, Science and Education Administration, United States Department of Agriculture
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