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  1. 1
    published 1997
    H ; Abstracts
    Frontdoor-Url
    Electronic Journal
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
    published 1979
  9. 9
    published 1979
  10. 10
    published 1979
  11. 11
    published 1979
  12. 12
    published 1979
  13. 13
    published 1979
  14. 14
    published 1979
  15. 15
    published 1979
  16. 16
    published 1979
  17. 17
    published 1979
  18. 18
  19. 19
    published 2018
    Full Text
    E-Book
  20. 20
    published 1889
    Electronic Serial Monograph Series