00890nam0-22003131i-450-99000385152040332120080111095500.00-669-01286-6000385152FED01000385152(Aleph)000385152FED0100038515220030910d--------km-y0itay50------baitaITResearch, Technological Change, and Economic AnalysisEdited by Bela Gold.Lexington (Mass.)D.C. Heath1977.viii, 240 p.24 cmInnovazioni tecnologicheRicerca & SviluppoG/1.4Gold,BelaITUNINARICAUNIMARCBK990003851520403321G/1.4 RES9908/ISESSESResearch, Technological Change, and Economic Analysis515472UNINA