共 50 条
- [41] UNITED-STATES INVESTMENT IN BIOTECHNOLOGY [J]. CHEMICAL ENGINEERING PROGRESS, 1989, 85 (12) : 27 - 32
- [42] UNITED-STATES BIOTECHNOLOGY POLICY [J]. AMERICAN BIOTECHNOLOGY LABORATORY, 1988, 6 (01): : 22 - &
- [44] UNITED-STATES EXPORT CONTROLS - PAST, PRESENT, AND FUTURE [J]. COLUMBIA LAW REVIEW, 1967, 67 (05) : 791 - 890
- [46] PRESENT AND FUTURE-ROLE OF UNITED-STATES IN ASIA [J]. ISSUES & STUDIES, 1978, 14 (06): : 13 - 19
- [48] MICROCOMPUTERS IN UNITED-STATES PLANNING - PAST, PRESENT, AND FUTURE [J]. ENVIRONMENT AND PLANNING B-PLANNING & DESIGN, 1988, 15 (03): : 355 - 367
- [50] UNITED-STATES AND CANADA - PRESENT AND FUTURE - THOMAN,RS [J]. PROFESSIONAL GEOGRAPHER, 1979, 31 (02): : 255 - 256