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- [6] PATHS TO POVERTY IN THE UNITED-STATES INTERNATIONAL REVIEW OF MODERN SOCIOLOGY, 1979, 9 (01): : 77 - 91
- [9] SOME PROBLEMS OF MISSISSIPPIAN STRATIGRAPHY IN SOUTHWESTERN UNITED-STATES JOURNAL OF GEOLOGY, 1948, 56 (04): : 313 - 326
- [10] SOME INSTITUTIONAL PROBLEMS OF THE UNITED-STATES NUCLEAR INDUSTRY TECHNOLOGY REVIEW, 1979, 81 (05): : 53 - 62