00529nam a22001697a 4500 BD-DhUL 20170412083400.0 170412b xxu||||| |||| 00| 0 eng d BD-DhUL BD-DhUL 333.91095 UNP Proceedings of the ninth session of the regional conference on water resources development in asia and the far east / United nations : New york , 1971. 202 p. ; 29cm. no. 40 resources development ddc REF 177821 177821 0 0 ddc 0 333_910950000000000_UNP 1 REF 314356 DUL DUL UNC 2017-04-12 Gift 333.91095 UNP D6021 2017-04-12 2017-04-12 REF