TY  - BOOK
AU  - Das, T. M.  Ed.
TI  - Environs. Vol.2 : environmental awareness programme under integrated eco-development project on river Ganga basin at Calcutta university. 
U1  - 333.7 
PY  - 1985///
CY  - Calcutta
PB  - Calcutta University
N1  - ENG
ER  -