TY  - BOOK
AU  - William k.purves
AU  - Purves, William K.
TI  - Life: the science of biology
SN  - 0716738732
U1  - 570 
PY  - 2001///
PB  - Sinauer Associates, Inc, W. H. Freeman An Co.
KW  - Biology -- Science 2.Biology -- Life
ER  -