Emergency flotation system (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Emergency flotation system" in English language version.

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dtic.mil

Reilly, M.J. (February 1981). Lightweight Emergency Flotation System for the CH-46 Helicopter (Technical Report NADC-79169-60) (Report). Boeing Vertol Company. Retrieved 14 April 2018.^{[dead link]}