000 00280nam a2200085Ia 4500
008 150310s9999 xx 000 0 und d
100 _aNARSIMHA RAO G A
245 _aMANUAL ON CANAL FALLS
260 _c1971
_bCENTRAL WATER & POWER COMMISSION (WATER WING MINISTRY OF IRRIGATION & POWER)
999 _c5617
_d5617