TY  - BOOK
AU  - ELDON D ENGER;SMITH BRADLEY F;
TI  - ENVIRONMENTAL SCIENCE
SN  - 0-07-116996-2
U1  - 628 
PY  - 2000///
CY  - NEWDELHI
PB  - "MCGRAW-HILL,INC"
KW  - ENVIRONMENTAL SCIENCE
N1  - 1
ER  -