. . New Technology of Library and Information Service, 1992, 8(4): 57-60.
https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/10.11925/infotech.1003-3513.1992.04.14 OR https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/Y1992/V8/I4/57
Cited