00477nam a2200109Ia 4500008004100000082002000041100010500061245009400166260005900260300001300319440003500332260817b        |||||||| |||| 00| 0 eng d  a333.91bW926.PW  aWorking group of experts on water resources planning, ECAFE, Bangkok, 29 August to 9 September, 1968  aPlanning water resources developmentb; report and background papers of the working group  aNew York:bU.N. Office of Technical Co-operation,cn.d  av, 135p.  aWater Resources seriesvno. 37