00475nam a2200085   4500008004100000040005500041245022200096260005700318300001400375230711b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aGlobal listing of appropriate technology technology organisations and sourcesc/ (US) National Technical Information Service Springfield, Virginia prepared for Agency for International Development Washington, d c 1979  aUS: bNational Technical Information Service, c1979  a1a, 155p.