000 003030000a22001210004500
245 _aWater resourses engineering and hydrology
100 _aGupta, Bhagirath Lal
260 _aDelhi
_bStandard publishers
_c1979
300 _axvi, 637p. : ill.
080 _a627
_bG8
041 _aEN
942 _cBK
999 _c115439
_d115439