Libraries can present those resources that the user can retrieve all the relevant resources quickly and easily when they apply a kind of classification system in the OPAC.The author puts forward some guidelines about the selection and application of classification system.
毛军. 分类法在OPAC中的应用[J]. 现代图书情报技术, 2001, 17(4): 14-16.
Mao Jun. Use of Classification System in the OPAC. New Technology of Library and Information Service, 2001, 17(4): 14-16.