00411nam a22001457a 4500003000800000005001700008008004100025040002100066082001300087110002700100245006200127260003900189300001100228650002600239BD-DhUL20170418140515.0170418s1972    nyua|||| |||| 00| 0 eng c  aBD-DhULcBD-DhUL  a627bUNW2 aUnited Nations (ECAFE)2 aWater resource project planning /cUnited Nations (ECAFE)  aNew York :bUnited Nations,c1972.  a223 p.  aHydraulic engineering