TCREC technical reports. 62-64. U.S. Army National Guard H-13E helicopter accident, Amityville, N.Y., Jan. 5, 1962, report of crush injury investigation AVCIR 62-7: prepared by [Robert J. Jeffrey, Herbert W. Schweer, Daniel J. Schneider], Aviation Crash Injury Research, division of Flight Safety Foundation. Inc., 2871 Sky Harbor Blvd., Phoenix. Ariz. Aug. 1962.