TY  - BOOK
AU  - Purves, Williams. K.
AU  - Orians,Gordon H.
AU  - Heller, Graig H.
TI  - Life: the science of biology
SN  - 0716726297
AV  - QH 305.2 .P87 1995 
PY  - 1995///
CY  - Sunderland, Massachusetts
PB  - Sinauer Associates, Inc.
KW  - Biology
N1  - Includes references and index
ER  -