5Punjabi, Sanjey Sunder, Market - Based Risk Measure and Multiperiod Valuation of Companies with an Emphasis on Yang , Technology - Based Venture, Dissertation for ph.D.Degree, Stanford University, 1994.
6Tyzoon T.Tyebjee, Albert V. Bruno, A model of Venture Capitalist Investment Activity. Management & Science, 1984,30:1051 - 1066.
7Thomas A. Stewart. Intellectual Capital: the new wealth of organization[M]. New York: Doubleday Currency Publication, 1997.
8Nick Bontis. Intellectual Capital: An Explorary Study that Develops Measure and Models [J].Management Decision,vol. 36,NO. 2.