Grasses and legumes in british agriculture /
por C. R. W. Spedding and E. C. Diekmahns ed.
- Oxford : Commonwealth Agricultural Bureaux, 1972
- 511 p.
- Commonwealth Agr. Bureaux. Bull. ; 49 .
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Leguminosas--Gran Bretaña I. Diekmahns, E C Pastos--Gran Bretaña