000 00414nam a22001817a 4500
015 _a7176
080 _a551.491
_bSAN
100 _aGarg, S. K.
245 _aWater resources and hydrology
250 _aThird
260 _aKhanna
_bDelhi
_c1973
300 _a489p.
_bfig.
852 _a2R 1-3
999 _c2145
_d2145