00307cam a22000977a 4500008004000000082001300040100001900053245006700072260006100139300000900200180718b1976   xxu||||| |||| 00| 0 eng d  aYA Un3ap  aRangarao, B.V.  aAn approach to science and technology policycby B.V. Rangarao  abUnited Nations Office for Science and Technologyc1976  a84p.