TY  - BOOK
AU  - Boyd,Robert
AU  - Silk,Joan B.
TI  - How humans evolved / 
SN  - 9780393117783 :
U1  - 599.938 21st
PY  - 2009///
CY  - New York : 
PB  - W W Norton , 
KW  - HUMAN-EVALUTION
N1  - Includes glossary and index
ER  -