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11Published [1970]“…The University of Michigan.…”
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14Published 1976.“…Dissertation University of Michigan, 1973.…”
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15Published 1979.“…Bibl. - Thesis University of Michigan, 1977.…”
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16Published [1970]“…University of Michigan. Survey Research Center.…”
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17Published 1979.“…. - Dissertation University of Michigan, 1977.…”
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18Published 1982.“…Dissertation University of Michigan, 1977. - Bibl.…”
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19Published 1974.“…Dissertation University of Michigan, 1973. Microfilm.…”
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20Published 1973.“…Dissertation University of Michigan, 1972. Microfilm.…”
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