TY  - BOOK
AU  - Hutchinson, Joseph
TI  - Evolutionary Studies in World Crop
SN  - 0521203392
U1  - 633 
PY  - 1974///
CY  - New York
PB  - Cambridge University press
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Field crops
ER  -