Griliches Zvi R & D, education and productivity A retrospective - Cambridge Harvard University Press 2000 - 127p cm. Bibliography: P. 101-22 ISBN: 0674003438 1864.3900000000001 Source: 26407, 20/10/2008, Segment Book Distrobutors General Book Subjects--Topical Terms: Economics Dewey Class. No.: X9:8b4, P0