00275nam a22001097a 4500003000400000008004100004082001700045100001800062245005200080260002500132300000800157OSt240701b        |||||||| |||| 00| 0 eng d  a627.52bP93I  aPunimia, B.C.  aIrrigation and Water power engineering 11th ed.  aStandard Delhic1990  a891