TY  - BOOK
AU  - Leakey, Richard E.
AU  - Lewin, Roger
TI  - Origins reconsidered : in search of what makes us human
SN  - 0349103453
U1  - 500 
PY  - 1993///
CY  - London
PB  - Abacus
KW  - Evolution
KW  - Humans
ER  -