共 50 条
- [1] SALMON MANAGEMENT IN UNITED-STATES JOURNAL OF THE FISHERIES RESEARCH BOARD OF CANADA, 1973, 30 (12): : 2386 - 2392
- [5] SHEEP PRODUCTION IN THE UNITED-STATES WOOL TECHNOLOGY AND SHEEP BREEDING, 1979, 27 (01): : 21 - 25
- [10] BARITE PRODUCTION IN THE UNITED-STATES TRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, 1949, 181 : 385 - 390