TY  - BOOK
AU  - Purves,William K.
AU  - Sadava,David.
AU  - Orians,Gordon H.
TI  - Life the science of biology
SN  - 0716798565
AV  - QH 308.2 .L565 2003 
PY  - 2004///
CY  - California
PB  - Sinauer associates
KW  - Biology
N1  - Includes index
ER  -