TY  - BOOK
AU  - Deswal, Surinder
AU  - Deswal, Anupama
TI  - A Basic Course in Environmental Studies
U1  - 363.7 
PY  - 2004///
CY  - Delhi
PB  - Dhanpat Rai & Co. (Pvt). Ltd
KW  - Civil Engineering
ER  -