共 50 条
- [1] UNITED-STATES NATIONAL RESEARCH AND EDUCATION NETWORK COMPUTER NETWORKS AND ISDN SYSTEMS, 1990, 19 (3-5): : 323 - 325
- [2] A SURVEY OF THE UNITED-STATES NATIONAL PRECIPITATION NETWORK WATER RESOURCES BULLETIN, 1981, 17 (02): : 241 - 243
- [4] THE UNIVERSITY ROLE IN THE UNITED-STATES NATIONAL RESEARCH AND EDUCATION NETWORK COMPUTER NETWORKS AND ISDN SYSTEMS, 1992, 25 (4-5): : 512 - 517