00484nam a22001697a 4500 BD-DhUL 20170418135645.0 170418s1958 nyua|||| |||| 00| 0 eng BD-DhUL BD-DhUL 627.12 UNI United Nations Integrated river basin development / United Nations New York : United Nations, 1958 viii, 60 p. ; Map 28 cm. Water resources development. ddc REF 184873 184873 0 0 ddc 0 627_120000000000000_UNI 0 REF 321072 DUL DUL UNC 2017-04-18 627.12 UNI D1318 2017-04-18 2017-04-18 REF