TY  - BOOK
AU  - Lenihan,John
AU  - Fletcher,William W.
TI  - Food, agriculture and the environment
SN  - 0 216 90128 6
U1  - 613 
PY  - 1975///.
CY  - London
PB  - Blackie
KW  - Using plants optimally
KW  - Environmental impact cultivation
ER  -