6[1]Pitkow, James E. and Colleen M. Kehoe. Emerging rends in the WWW user population. Association for Computing Machinery. Communications of the ACM,1996,39(6): 106 - 108
7[2]Tillotson, Joy et al.. Internet use through the University of Toronto Library: Demographics, destinations,and users' reaction. Information Technology and Libraries, 1995,9:190 - 198
8[3]Voorbij, Henk J. Searching scientific information on the Internet:A Dutch academic user survey. Journal of the American Society for Information Science,1999,50(7) :598 - 615
9[4]Dalgleish, Andrew and Robert Hall. Uses and perceptions of the World Wide Web in an information-seek-ing environment. Journal of Librarianship and Information Science,2000,32(3):104- 116
10[5]Bilal, Dania. Children's uso of the Yahooligans ! Web search engine: Ⅱ . Cognitive and physical behaviors on research tasks. Journal of the American Society for Information Science, 2001,52 (2): 118 - 136
