共 50 条
- [22] DIVERSIFICATION OF POLLINATION STRATEGIES FOR UNITED-STATES CROPS [J]. ENVIRONMENTAL ENTOMOLOGY, 1990, 19 (06) : 1649 - 1656
- [24] UNITED-STATES AND SPAIN RENEW DEFENSE AGREEMENT [J]. DEPARTMENT OF STATE BULLETIN, 1963, 49 (1270) : 686 - 687
- [27] THE INFLUENCE OF ANALYSIS ON UNITED-STATES DEFENSE POLICY [J]. POLICY SCIENCES, 1987, 20 (02) : 105 - 128
- [30] UNITED-STATES, GERMANY TO CONFER ON AIR DEFENSE [J]. AVIATION WEEK & SPACE TECHNOLOGY, 1983, 118 (03): : 19 - 19