TY  - BOOK
AU  - Verma, G. P.,
TI  - Progress in Ecology Vol. X : Advancement of Crops and Monitoring of Environment
SN  - 8170193109
U1  - 581 
PY  - 1988///
CY  - New Delhi
PB  - Today & Tomorrow Printers & Publishers
KW  - Ecology
KW  - Specific topics in natural history
ER  -