7Atkinson R C, Shiffrin R M. Human memory: A proposed system and its control processes [ M ]//Spence K W, Spence J T. The Psychology of Learning and Motivation: Advances in Research and Theory. London: Academic Press, 1968.
8Shane S, Venkataraman S. The promise of entrepreneurship as a field of research [ J ]. Academy of Management Review, 2000, 25 (1) : 217 -226.
9Paradis K, Langford G, Long Z, et al. Search for cross-species transmission of porcine endogenous retrovirus in patients treated with living pig tissue [ J]. Science, 1999, 285 ( 5431 ) : 1236 - 1241.
10Nahapiet J, Ghoshal S. Social capital, intellectual capital and the organizational advantage [ J ]. Academy of Management Review, 1998, 23(2) : 242 -266.
