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  1. 1
    Journal
  2. 2
    Published 1956
    Journal
  3. 3
    Published 1956
    Journal
  4. 4
    Journal
  5. 5
    Journal
  6. 6
    Published 1977
    Journal
  7. 7
    Journal
  8. 8
    Journal
  9. 9
    Journal
  10. 10
    Published 1971
    Journal
  11. 11
    Journal
  12. 12
    Published 1985
    Journal
  13. 13
    Journal
  14. 14
    Published 1973
    Journal
  15. 15
    Published 1997
    Journal
  16. 16
    Published 1977
    Journal
  17. 17
    Journal
  18. 18
    Journal
  19. 19
    Journal
  20. 20
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