TCREC technical reports. 62-57. Helmet design criteria, based on Army APH-5 helmet evaluntion, Apr. 1962, report of crash injury evaluation AvCIR 62-6 [with list of references; by Daniel J. Schneider, Gerrit J. Walhout], Aviation Crash Injury Research. Division of Flight Safety Foundation, Inc., 2871 Sky Harbor Blvd., Phoenix, Ariz.

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