6WILSON, T, D., et al, Models of the information user: progress and prospects in research[A], In: SWEENEY, G, P, : INFORMATION AND THE TRANSFORMATION OF SOCIETY[C], North-Holland Publishing Company, 1982, 361 -367.
7WILSON, TOM:Towards an information management curriculum[ J] ,Journal of Information Science, 1989,15,203 - 209.
8FERGUSON, CHRIS: 'Shaking the conceptual foundation, 'too: Integrating research and tedmology support for the next generation of information service[M]. College & Research Libraries, 2000, 61(4), 300 - 311.
9KORT, JOHN R. The North American Industry Classification System in BEA's Economic Accounts[J]. Survey of Current Busiiness, May 2001, 7 - 13.