TY  - BOOK
AU  - Boyd,Robert
AU  - Silk,Joan B.
TI  - How humans evolved
SN  - 9780393912272 (pbk.)
AV  - GN281 .B66 2011
U1  - 599.93/8 21
PY  - 2011///
CY  - New York
PB  - W.W. Norton
KW  - Human evolution
N1  - Includes bibliographical references and index
ER  -