1. Hauschildt, J. and Salomo, S. (2007). Innovationsmanagement. München. pp. 3 ff.
2. Hauschildt, J. and Salomo, S. (2007). Innovationsmanagement. München. pp. 6 f.
3. Leker, J. (2005b). Successful innovation management: best practice or chance? PharmaChem, 4(11–12): p. 50
4. Tornatzky, L. G. and Klein, K. J. (1982). Innovation characteristics and innovation adoption-implementation: a meta-analysis of findings. IEEE Transactions on Engineering Management, 29(1): pp. 31 f.
5. Leker, J. (2005b). Successful innovation management: best practice or chance? PharmaChem, 4(11–12): p. 52.