TY  - BOOK
AU  - Boyd,Robert
AU  - Silk,Joan B.
TI  - How humans evolved
SN  - 0393978540 (pbk.)
AV  - GN281 .B66 2003
U1  - 599.93/8 21
PY  - 2003///
CY  - New York
PB  - Norton
KW  - Human evolution
N1  - Includes bibliographical references and index
ER  -