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  1. 1
  2. 2
    by Proctor, Robert W.
    Published 2008
    Book
  3. 3
  4. 4
  5. 5
    by Chapanis, Alphonse
    Published 1996
    Book
  6. 6
    by Proctor, Robert W.
    Published 1994
    Book
  7. 7
    by Gagne, Robert Mills 1916-
    Published 1962
    Book
  8. 8
    by Gagne, Robert Mills 1916-
    Published 1962
    Book