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  1. 1
    Published 1942
    Electronic resource (PDF)
    Government Document eBook
  2. 2
    Published 1942
    Electronic resource (PDF)
    Government Document eBook
  3. 3
  4. 4
    by Pope, Alex
    Published 1957
    Government Document Book
  5. 5
    by Porter, K. B.
    Published 1957
    Government Document Book
  6. 6
    by Pope, Alex
    Published 1957
    Government Document Book
  7. 7
    by Burleson, Charles A.
    Published 1957
    Government Document Book
  8. 8
    Government Document Book
  9. 9
    by Hotchkiss, W. S.
    Published 1921
    Government Document Book
  10. 10
    Government Document Book
  11. 11
  12. 12
    Published 1936
    Electronic resource (PDF)
    Government Document eBook
  13. 13
    Published 2011
    Get full text
    Government Document eBook
  14. 14
    by Rea, H. E. (Homer Earl), 1901-
    Published 1952
    Government Document Book
  15. 15
    by Weihing, Ralph M.
    Published 1952
    Government Document Book
  16. 16
    Published 1967
    Book
  17. 17
  18. 18
    by Czapowskyj, Miroslaw M.
    Published 1979
    Government Document Book
  19. 19
    Published 1905
    Connect to the full text of this electronic document
    Government Document eBook
  20. 20
    Published 1991
    Conference Proceeding Book