TY - CHAP A1 - Grupp, Hariolf A1 - Licht, G. A1 - Beise, M. A1 - Hipp, Christiane T1 - Individual enterprise matched innovation and patent statistics in Germany: A scoping study of diversification Y1 - 1996 ER - TY - CHAP A1 - Hipp, Christiane A1 - Grupp, Hariolf T1 - Innovation in the service sector: Definition problems and empirical opportunities Y1 - 2002 ER -