USDA Agriculture Handbooks Tropical yams and their potential. Part 5, Dioscorea trifida
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- Martin, Franklin W. , Degras, Lucien.
- iv, 26 p.
- U.S. Dept. of Agriculture
- USDA agriculture handbooks
- This item is authored by federal employees as part of their official duties and are therefore non-copyrightable and/or published by the federal government and now in the public domain.