1. Bohn R. (1994) Measuring and managing technological knowledge, Sloan Management Review, Fall, 61–73.
2. CIMdata Inc. (1994) PDM Buyers Guide, CIMdata Incorporation.
3. Frederick M. (1995) Case Study: Achieving Buy-In, 12th International Conference on Enterprise PDM: The Next Generation, Boston, MA, May 15–16.
4. Goldense B. L. (1993) Designing Concurrent Engineering metrics, CE & CALS Washington '93, Conference Proceedings 28.06.–01.07, The Office of the Secretary of Defence, Washington DC, USA 63–73.
5. Hameri A.-P. and Nihtilð J. (1997) Distributed new product development project based on Internet and World Wide Web: A Case Study, Journal of Product Innovation Management, vol. 14, no. 2.