TY  - BOOK
AU  - Clark,Graham
AU  - Piggott,Stuart  .
TI  - Prehistoric socities / 
SN  - 0140211497
U1  - 307 
PY  - 1965///
CY  - New Delhi : 
PB  - Penguin Books India , 
KW  - SOCIETY-INDIA
N1  - Includes references and index
ER  -