TY  - BOOK
AU  - Robert Boyd
AU  -  Joan B. Silk, 
TI  - How Humans Evolved
SN  - 0-393-97076-0
U1  - 573.2 
PY  - 1997///
CY  - New York
PB  - W.W. Norton and Company
N1  - Robert Boyd & Joan B. Silk: How Humans Evolved.  New York.  W.W. Norton and Company, 1997. 0-393-97076-0--(573.2BOY)
ER  -