00480nam a2200133Ia 4500008004100000082002000041100002600061245004500087260004600132300001400178942001200192952012500204999001700329260223b        |||||||| |||| 00| 0 eng d  a658.57bT977.ER  aTybout , R. A.915990  aEconomics of research and developmentb/  aOhio:bOhio State University Press,c1965  axx, 458p.  2ddccBK  0010406658_570000000000000_T977_ER70913240aISIbISId1998-09-14l0o658.57 T977.ERpDP2402r2019-02-14 00:00:00yBK  c10765d10765