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Author: Moore, W. D.
Title: Listen Up.
Journal: NFPA Journal, Vol. 103, No. 4, 32-32, July/August 2009
Keywords: communication networks | NFPA 72F | NFPA 72 | fire alarm systems | emergencies | design criteria
Identifiers: emergency communications systems (ECS) both inside and outside buildings; Emergency Communications Audio Intelligibility Applications Guide