TY  - BOOK
AU  - Chapra, Steven C.
TI  - Surface Water Quality Modeling 
SN  - 0071152423
U1  - 628.161015 
PY  - 1997///
CY  - New York : 
PB  - McGraw-Hill, 
KW  - Water Quality Mathematical Models
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-07-115242-3.pdf
ER  -