TY  - GEN
AU  - Verma , P.S.
AU  - Tyagi , B.S.
AU  - Agarwal ,V.K.
TI  - Text book of animal physiology and ecology
SN  - 81219035521
U1  - 571.1 
PY  - 1979///
CY  - New Delhi
PB  - S. Chand 
KW  - ANIMAL SCIENCE
KW  - ECOLOGY
KW  - ANIMAL PHYSIOLOGY
KW  - ENVIRONMENTAL POLLUTION
ER  -