00402nam a2200121Ia 4500082002000000100006400020245007600084260003500160300001400195490006100209500000500270700000500275  a338.06bUn58.CP  aUnited Nations. Industrial Development Organisation, Vienna  aConceptual and policy framework for appropriate industrial technologyb  aNew YorkbUnited Nationsc1979  axi, 144p.  aMonographs on appropriate industrial technology v no. 1  a  a