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O'Neill, J. G.; Hahl, C. E.
view article (1.0)Securing Our Nation's History With Improved Fire Protection.Gage-Babcock and Associates Inc., Fairfax, VAConsulting-Specifying Engineer, Vol. 17, No. 5, 36-38,40,42,44, May 1995Hahl, C. E.; Hankewycz, M. M.
view article (1.0)It's Not Your Father's Security Anymore...Protection Engineering Group PC, Chantilly, VAFire Protection Engineering, No. 33, 16-18,20,22,24, Winter 2007