00518nam a22001817a 4500 BD-DhUL 20170417174132.0 170417b xxu||||| |||| 00| 0 eng d BD-DhUL BD-DhUL 551.49 UNU United Nations The use and interpretation of hydrologic data / United Nations New york : United Nations, 1966. v. ; ill.., 28cm. Water resources series No. 34 Hydrology ddc REF 183659 183659 0 0 ddc 0 551_490000000000000_UNU 0 REF 319815 DUL DUL UNC 2017-04-17 Gift 551.49 UNU D4705 2017-04-17 1 2017-04-17 REF