00313nam a2200121Ia 450000500170000000800410001704100120005808200150007010000170008524500430010226000370014530000090018220241122224302.0241122s9999||||xx |||||||||||||| ||und||  aEnglish  a382.6bSIN  aSinger, Hans 0aTechnological diffusion in third world  bB R Publishing Corporationc1999  a521p