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Bibliography Note: |
Includes bibliographical references (pages 16-17). |
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Additional Physical Forms: |
Online version: Knittle, C. Edward. Waterfowl damage and control methods in ripening grain. Washington, D.C. : U.S. Dept. of the Interior, Fish and Wildlife Service, 1987 (OCoLC)816983357 |
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Name Added Entry: |
Porter, Richard D., author. |