共 34 条
- [2] [Anonymous], RESTRICTIVE ACCESS P
- [3] [Anonymous], 1991, Public-Access Computer Systems Review
- [4] [Anonymous], 1997, CYBERMETRICS
- [5] [Anonymous], J INFORM SCI
- [7] Borgman CL, 2002, ANNU REV INFORM SCI, V36, P3
- [8] BRODY T, 2004, EFFECT OPEN ACCESS C
- [9] GLANZEL W, 2003, NIEWI KNAW AMST 13 F