00559nam a2200169Ia 4500082002300000100004700023245009300070260005000163300001300213500000500226690000600231700000500237952010300242964001700345921001000362999001700372  a338.16317bIn39.RS  aIndia. Irrigation and Power, Ministry of-.  aReport of the study group of efficiency and economy in the irrigation and power sectorb  aDelhibCentral Water & Power Commissionc1957  ax, 204p.  a  a   a  00104070aISIbISId1998-09-24l0o338.16317 In39.RSpDP223r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a13828  c13828d13828