01312nam a2200277Ia 4500 65105 BIBL 20160527192319.0 920529s1962 nyua b 10100 eng evn00000224 //r85 0405075839 EVLG HD69.I75 U52 1962 330.1 301.243 U589r Universities--National Bureau Committee for Economic Research. 183199 Local The rate and direction of inventive activity, economic and social factors a conference of the Universities-National Bureau Committee for Economic Research and the Committee on Economic Growth of the Social Science Research Council. New York Arno Press 1962. 635 p. ill. National Bureau of Economic Research publications in reprint Reprint of the ed. published by Princeton University Press, Princeton, as v. 13 of the Special Conference series of the National Bureau of Economic Research. Includes bibliographical references and index. Inventions Congresses. 115889 Local Social Science Research Council U.S. Committee on Economic Growth. 171844 Local National Bureau of Economic Research. Special conference series 13. 50295 50295 0 0 0 301_243000000000000_U589R 0 evl 172381 10 10 1 2016-05-27 94524 0 301.243 U589r 80000000259179 2016-05-27 00:00:00 r:65105 z:NCC:D 6