TY  - BOOK
AU  - Gray,N F.
TI  - Water technology : an introduction for environmental scientists and engineers / 
SN  - 9788131202128
U1  - 621.20422 
PY  - 2006///
CY  - NewDelhi : 
PB  - Elsevier India , 
KW  - WATER RESOURCES DEVELOPMENT
N1  - Inclydes bibliographical references and index
ER  -