TY  - GEN
AU  - 
AU  - Bhattacharya, D. K.
TI  - Ecology and social formation in ancient history
U1  - 304.2/BHA 
PY  - 1990///
CY  - CALCUTTA
PB  - K.P. Bagchi & Company
N1  - CULTURAL MATERIALISM; ECOLOGY; SOCIAL FORMATION
ER  -