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    Published 1973
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    Published 2000
    Journal
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    Published 1967
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  5. 5
    Published 1944
    Journal
  6. 6
    Published 1971
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  7. 7
    Published 1972
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  8. 8
    Published 1897
    Journal
  9. 9
    Published 2002
    Journal
  10. 10
  11. 11
    Published 1991
    Journal
  12. 12
    Published 1997
    Journal
  13. 13
    Published 1930
    Journal
  14. 14
    Published 2005
    Journal
  15. 15
    Published 2010
    Journal
  16. 16
    Published 2001
    Journal
  17. 17
    Published 1975
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  18. 18
    Published 1983
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  19. 19
    Published 1989
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  20. 20
    Published 1994
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