Felder, J., Georg Licht, E. Nerlinger und H. Stahl (1995), Appropriability, Opportunity, Firm Size and Innovation Activity, ZEW Discussion Paper No. 95-21, Mannheim. Download
Felder, J., Georg Licht, E. Nerlinger und H. Stahl (1995), Appropriability, Opportunity, Firm Size and Innovation Activity, ZEW Discussion Paper No. 95-21, Mannheim. Download