共 15 条
- [1] [Anonymous], 1970, TECHNOLOGY FACTOR IN
- [2] HOROWITZ MA, 1966, MANPOWER REQUIREMENT, V2
- [4] KEESING DB, 1966, AM ECON REV, V56, P249
- [5] KEESING DB, 1968, OPEN ECONOMY
- [6] KEESING DB, 1961, THESIS HARVARD U
- [7] *UK BOARD TRAD, 1958 CENS PROD R 133
- [8] *UK CENTR STAT OFF, 1964 ANN ABSTR STAT
- [9] *UN, 1965 STAT YB
- [10] *US DEP COMM, 1964 US CENS MAN