5S. Forrest, Perelson. A. Self - nonself discrimination in a computer. Research in Security and Privacy. Proceedings IEEE Computer Society Symposium on, 1994,3 : 202 - 212.
6Creating Special Literature Resource Databases in Western China Under a Digital Environment International Information & Library Review Volume:35,Issue:2-4,June-December,2003,pp.249-264Lu,Ji.
7Data models and query languages of spatio-temporal information (Temporal database).Chen,Cindy Xinmin.;Source:Dissertation Abstracts International,Volume:62-02,Section:B,page:0929.;Chair:Carlo Zaniolo.
10Ruth Hedagaard etc. NOKS: A Searchable Cultural and Historical Database from Denmark: An ALM Project (Archive- Library-Museum). Library Hi TechNews, 2005 (2)
