2Brown, Mark G , and Avension, Raynold A.. Measuring R&D Productivity[J]. Research Technology Management, 1998,41(6) : 30-35.
3Dressier Ronold, Wood Roberts and Alvarez Vincent. Evaluating R&D Performance Using the Cost Saving Metric[J]. Research Technology Management, 1999,42(2) : 13-14.
4Luukkonen-Gronow, T.. Scientific Research Evaluation: a Review of Methods and Various Contexts of Their Applieation[J]. R&D Management, 1987,17(3) :207-221.
