TY  - BOOK
AU  - Purves, William K.
AU  - Orians, Gordon H.
TI  - Life, the science of biology
SN  - 0878937331 :
U1  - 574 19
PY  - 1987///
CY  - Sunderland, Mass.
PB  - Sinauer Associates
KW  - Biology
N1  - Includes bibliographies and index
ER  -