TY  - BOOK
AU  - Evans,L.T.
TI  - Crop evolution, adaptation, and yield
SN  - 052122571X
AV  - SB106.O74.E93 1993 
PY  - 1993///
CY  - Cambridge, New York
PB  - Cambridge University Press
KW  - Crops
KW  - Evolution
KW  - Adaptation
KW  - Crop yields
UR  - http://www.loc.gov/catdir/description/cam025/92028314.html
UR  - http://www.loc.gov/catdir/toc/cam029/92028314.html
ER  -