TY  - GEN
AU  - Holden, John
AU  - Williams, Trevor
AU  - Peacock, James
TI  - Genes, crops and the environment
U1  - 581.35 
PY  - 1993///
CY  - Cambridge
PB  - Univ. Press
KW  - BIODIVERSITY CONSERVATION ENVIRONMENT GENES GENETIC RESOURCES GENETICS
ER  -