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  1. 1
    Published 1991
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    Journal
  2. 2
    Published 2009
    Journal
  3. 3
    Published 2008
    Journal
  4. 4
    Published 1950
    Journal
  5. 5
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  8. 8
    Published 1954
    Journal
  9. 9
    Published 1954
    Journal
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  11. 11
    Published 1954
    Journal
  12. 12
    Published 2004
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    Journal
  13. 13
    Published 2005
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  15. 15
    Published 2007
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