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  1. 1
    by Kroening, Sharon E.
    Published 1997
    Government Document Book
  2. 2
  3. 3
    Published 1950
    Book
  4. 4
    Published 1981
    Book
  5. 5
    Published 1981
    Book
  6. 6
    Journal
  7. 7
    Journal
  8. 8
    Published 1972
    Book
  9. 9
    Published 1973
    Book
  10. 10
    Book
  11. 11
    Published 1981
    Conference Proceeding Book
  12. 12
    by Porcella, D. B.
    Published 1974
    Book
  13. 13
    Published 1951
    Book
  14. 14
    Book
  15. 15
  16. 16
  17. 17
    Published 1973
    Book
  18. 18
    Book
  19. 19
    Published 1978
    Conference Proceeding Book
  20. 20
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