TY  - GEN
AU  - Boyd , Claude E
TI  - Water qulity: an introduction
SN  - 0792378539
U1  - 628.1 
PY  - 2000///
CY  - London
PB  - Kulwer acadamic publication
KW  - WATER
KW  - HYDROLOGY
KW  - WATER QULITY REGULATIONS
ER  -