00840nam0-22002891i-450-99000309999040332120050609083718.0000309999FED01000309999(Aleph)000309999FED0100030999920030910d1968----km-y0itay50------baitaITIndustrial Research and Technological InnovationAn Econometric AnalysisEdwin Mansfield.LondonLongmansGreen and Co.1968.XVIII, 235 p.23 cmG/1.4H/2.11Mansfield,Edwin<1930- >ITUNINARICAUNIMARCBK990003099990403321G/1.4 MAN/68042718SESSESIndustrial Research and Technological Innovation459576UNINA