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Test Procedures for the Evaluation of Helmet and Headset Mounted Active Noise Reduction Systems

Crabtree, R. BForshaw, S. EDefence and Civil Institute of Environmental Medicine (Canada)J. M. Rylands

出版	Defence and Civil Institute of Environmental Medicine, 1989
URL	http://books.google.com.hk/books?id=QmZanQEACAAJ&hl=&source=gbs_api