000 00448nam a22001457a 4500
008 230613b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aR 628.1
_bP0
245 _aWater conservation
_c/ National Institute of Hydrology
260 _aRoorkee:
_bNational Institute of Hydrology,
_c1992
300 _a25p.
650 _aLanguage
653 _aWater
942 _2udc
_cPR
999 _c42847
_d42847