TY  - GEN
AU  - Holden, John
AU  - Peacock, James
AU  - Williams, Trevor
TI  - Genes, crops and the environment
SN  - 0521437377
U1  - 333.95316 
PY  - 1993///
CY  - Cambridge
PB  - Cambridge U.P.
KW  - ECONOMICS
ER  -