TY  - BOOK
AU  - Boyd,Robert
AU  - Silk,Joan B.
TI  - How humans evolved
SN  - 0393926281 (pbk.)
AV  - GN281 .B66 2006
PY  - 2006///
CY  - New York
PB  - W.W. Norton and Co.
KW  - Human evolution
N1  - Includes bibliographical references and index
ER  -