TY  - BOOK
AU  - Enger, Eldon D.
AU  - Enger, Eldon D.
ED  - Bradley F Smith.
ED  - Bradley F Smith.
TI  - Environmental science
SN  - 0-07-116996-2
U1  - 363.7 ENE 22
PY  - 2000///
CY  - New Delhi
PB  - MacGraw-Hill.
KW  -  
KW  - Environmental problems
ER  -