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  • Cellentani, E. N.; Humphreys, W. Y.
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    Coordinated Detection/Communication Approach to Fire Protection.
    Federal Signal Corp., Shelby, OH
    Specifying Engineer, Vol. 47, No. 5, 58-62, May 1982

  • Reichlin, S. B.; Humphreys, W. Y.
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    When and When Not to Close Doors in Health Care Facilities.
    Reading Door Closer Corp.; Federal Signal Corp.
    Building Standards, Vol. 46, No. 5, 220-225, September/October 1977

  • Humphreys, W. Y.
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    Alarming Problem.
    Federal Sign and Signal Corp.
    Fire Journal, Vol. 67, No. 5, 15-14,20, September 1973
    National Fire Protection Association. Annual Meeting, 75th. Proceedings. Final General Session. May 14-18, 1973, St. Louis, MO, 1973