TY  - BOOK
AU  - Isaac,Glynn Llywelyn
AU  - Leakey,Richard E.
TI  - Human ancestors: readings from Scientific American 
U1  - 573.2  
PY  - 1979///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Human evolution.
KW  - Paleolithic period.
N1  - Includes index.; Bibliography: p. [125]-126.
ER  -