TY  - BOOK
AU  - Isaac,Glynn, Leakey, Richard E.F.
AU  - x
TI  - Human ancestors, intro: x
SN  - cx
U1  - REF573.2/HUM 
PY  - 1979///
CY  - Franciscon
PB  - W.H. Freeman
KW  - Man - Origin and antiquity
KW  - Human Evolution
N1  - x
ER  -