000 00287nam a22001217a 4500
020 _a9788122408072
082 _a627
100 _aDUGGAL K.N
_aJ.P SONI
245 _aELEMENTS OF WATER RESOURCES ENGINEERING
260 _aNEW DELHI
_bNEW AGE
_c1996
300 _aXV, 588P
942 _cBK
999 _c8692
_d8692