TY  - BOOK
AU  - VERMA,P.S.
AU  - Tyagi,B.S.
AU  - Agarwal,V.K.
TI  - Text book of animal physiology and ecology
SN  -  81-219-0352-1
U1  - 591.1 
PY  - 1996///
CY  - New Delhi
PB  - S. Chand & Company
KW  - Zoology
N1  - Includes index
ER  -