TY  - BOOK
AU  - Duggal, K.N.
TI  - Elements of Environmental Engineering
SN  - 9788121915472
U1  - 628 
PY  - 1998///, 2012
CY  - New Delhi
PB  - S. Chand
KW  - Environmental engineering and water treatment
KW  - Environmental engineering and water supply
KW  - Pollution Control, Environmental engineering
KW  - Architecture
KW  - Civil
N1  - Civil; diagrams,graphs,tables,appendix
ER  -