TY  - BOOK
AU  - PURVES,WILLIAM K
AU  - ORIANS,GORDON H
AU  - HELLER,H CRAIG
TI  - LIFE: THE SCIENCE OF BIOLOGY / 
U1  - 574 
PY  - 1995///
CY  - [S.N] : 
PB  - SINAUER ASSOCIATES, INC ، 
KW  - ECOLOGY
KW  - BIOLOGY
KW  - BIOGRAPHIES
KW  - BIOLOGY, ANIMALS
ER  -