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  1. 1
  2. 2
    Published 1987
    Journal
  3. 3
    Published 1986
    Journal
  4. 4
    Published 1981
    Journal
  5. 5
    Journal
  6. 6
  7. 7
    Published 1956
    Serial
  8. 8
    Published 1956
    Serial
  9. 9
    Serial
  10. 10
    Published 1947
    Journal
  11. 11
    Journal
  12. 12
    Journal
  13. 13
    Journal
  14. 14
    Journal
  15. 15
  16. 16
    Serial
  17. 17
    Published 1950
    Government Document Serial
  18. 18
    Serial
  19. 19
    Published 1947
    Serial
  20. 20
    Published 1967
    Journal