00556nam a2200181Ia 4500082002300000100006400023245007000087250000900157260003000166300001400196500000500210690000600215700000500221952010400226964001700330921001000347999001700357  a338.16317bUn58.IR  aUnited Nations. Economic and Social Affairs, Department of-  aIntegrated river basin devlopment; report of a panel of expertsb  aRev.  aNew YorkbThe Auth.c1970  axvi, 80p.  a  a   a  00104070aISIbISId1998-09-24l0o338.16317 Un58.IRpDP9930r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a13895  c13895d13895