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020 _a8176630519
041 _aEN
082 _a631.587
_bLEN
_223
100 _aLenka, D.
245 _aIrrigation and drainage /
_c[by] D. Lenka
250 _a2nd ed., rev.
260 _aLudhiana
_bKalyani pub.
_c2001
300 _axiv, 397 pages
500 _aInclude index and references
509 _aNS
650 _aIrrigation
650 4 _aWater supply
_918201
650 4 _aDrainage
_94974
650 4 _aWater resource management
_918183
942 _cR