共 50 条
- [33] THE RELATIONSHIP BETWEEN 7 VARIABLES AND THE USE OF UNITED-STATES GOVERNMENT TECHNICAL REPORTS BY UNITED-STATES AEROSPACE ENGINEERS AND SCIENTISTS [J]. PROCEEDINGS OF THE ASIS ANNUAL MEETING, 1991, 28 : 313 - 321
- [35] UNITED-STATES TECHNICAL ASSISTANCE TO LATIN-AMERICAN EDUCATION [J]. PHI DELTA KAPPAN, 1964, 45 (04) : 220 - 225
- [36] TECHNICAL CHANGE AND EMPLOYMENT IN THE UNITED-STATES, 1890-1965 [J]. WESTERN ECONOMIC JOURNAL, 1968, 6 (02): : 121 - 133
- [38] INNOVATION AND TECHNICAL CHANGE IN THE UNITED-STATES STEEL-INDUSTRY [J]. TECHNOVATION, 1988, 7 (03) : 181 - 195
- [39] BIASED TECHNICAL CHANGE AND FACTOR SHARES IN UNITED-STATES MANUFACTURING [J]. QUARTERLY REVIEW OF ECONOMICS AND BUSINESS, 1969, 9 (03): : 17 - 33
- [40] BIBLIOGRAPHIC SOURCES FOR TECHNICAL AND SCIENTIFIC LITERATURE IN THE UNITED-STATES AND CANADA [J]. NACHRICHTEN FUR DOKUMENTATION, 1957, 8 (04): : 187 - 191