TY  - GEN
AU  - Verma, P. S.
AU  - Agarwal,V. K.
TI  - Animal ecology: environmental biology
U1  - 577 
PY  - 1982///
CY  - New Dilhi
PB  - S.Chand  & Company Ltd
KW  - Ecology
KW  - Biology
ER  -