000 00369cam a22001097a 4500
008 180718b1958 xxu||||| |||| 00| 0 eng d
082 _aV43 Un3
245 _aIntergrated river basin development
_cby Department of Economic and Social Affairs, U.S.
260 _aNew York
_bUnited Nations
_c1958
300 _a60p.
700 _aU.S.A.Department of Economic and Social Affairs
999 _c424618
_d424618