TY  - BOOK
AU  - Vernberg F John
AU  -  Vernberg Winona B
TI  - Animal and the environment
U1  - K:55, L0 
PY  - 1970///
CY  - New York    
PB  -  Holt Rinehart       
KW  -  Animal ecology
KW  - Zoology
ER  -