TY  - BOOK
AU  - Purves,William K.
AU  - Heller, Craig H.
AU  - Sadava, David.
AU  - Orians,Gordon H.
TI  - Life: the science of biology 
SN  - 0716798565 (hbk. ) 
PY  - 2004///
CY  - Sunderland
PB  - Sinauer Associates
KW  - Biology
KW  - life
N1  - Includes index; Includes bibliographical references
ER  -