00663nam 2200205z- 450 99632082990331620160818152920.0(CKB)9870000000000618(EXLCZ)99987000000000061820131117c2013uuuu -u- -engThe contribution of intangible assets to sectoral productivity growth in the EUMannheimZEWSaamMarianne1018459NiebelThomas1018460O’MahonyMary1018461BOOK996320829903316The contribution of intangible assets to sectoral productivity growth in the EU2395854UNISA