00442nam a2200133Ia 4500082002000000100003600020245006800056260004500124300001600169490008600185500000500271700002500276856000700301  a338.06bN243.DN  aNabseth, L. and Ray, G. F.ded.  aDiffusion of new industrial processes; an international studyb  aLondonbCambridge University Pressc1974  axvii, 319p.  aNational Institute of Economic & Social ResearchvEconomic and Social Studies ;29  a  aRay, G. F. ; jt. ed.  df