TY  - BOOK
AU  - DUGGAL, K.N.
AU  - SONI, J.P.
TI  - ELEMENTS OF WATER RESOURCES ENGINEERING
SN  - 8122408079
U1  - 627/DUG/SON 
PY  - 2007///
CY  - NEW DELHI.
PB  - NEW AGE INTERNATIONAL (P) LTD.PUBLISHER., NEW DELHI
ER  -