TY  - BOOK
AU  - G.S. Dhaliwal
AU  -  G.S. Sangha  P.K. Ralhan
TI  - Fundamentals of Environmental Science
SN  - 81-7663-535-9
U1  - 574.5 
PY  - 2000///
CY  - Ludhiana
PB  - Kalyani Publishers
N1  - G.S. Dhaliwal; G.S. Sangha & P.K. Ralhan: Fundamentals of Environmental Science.  (2nd Ed)  Ludhiana.  Kalyani Publishers, 2000. 81-7663-535-9 Rs. 175.00--(574.5DHA)
ER  -