共 50 条
- [2] MEDICAL SERVICE AREAS IN THE UNITED-STATES JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1949, 139 (15): : 1005 - 1005
- [3] MEDICAL SERVICE AREAS IN THE UNITED-STATES JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1947, 133 (14): : 1014 - 1015
- [5] THE GROWING ROLE OF SERVICE AREAS IN THE UNITED-STATES-ECONOMY IPW BERICHTE, 1986, 15 (06): : 29 - &
- [7] Development of IP service in the United States - Alliance with Verio NTT REVIEW, 1999, 11 (01): : 100 - 101
- [9] Historical development of a Universal Service Obligation in the United States HEIGHTENING COMPETITION IN THE POSTAL AND DELIVERY SECTOR, 2010, : 372 - 385
- [10] DEVELOPMENT OF STRUCTURES IN BASIN AREAS OF NORTHEASTERN UNITED-STATES AAPG BULLETIN-AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS, 1947, 31 (03): : 429 - 446