TY  - BOOK
AU  - Tanner, Nancy Makepeace
TI  - On becoming human
SN  - 0521280281
AV  - GN 281.4 Tan 
PY  - 1981///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Human evolution
KW  - SOCIAL EVOLUTION
KW  - GEOGRAPHY
N1  - Includes index. -Bibliography: p. 278-360
ER  -