1. Alford BR, Clark JB, Danielson RW (2013) Ear, nose and throat and auditory issues (Chapter 4.2). In: Risin D, Stepaniak PC (eds) Biomedical results of the space shuttle program. NASA/SP-2013-607. U.S. Government Printing Office, Washington, DC, pp 59–72. ISBN: 978-0-615-86613-0
2. Allen HJ, Eggers AJ Jr (1958) A study of the motion and aerodynamic heating of ballistic missiles entering the Earth’s atmosphere at high supersonic speeds. NACA report 1381
3. NASA-TM-2003-210785;CS Allen,2003
4. American National Standards Institute (ANSI) (2002) Mechanical vibration and shock–evaluation of human exposure to whole-body vibration–part 1: general requirements. ANSI S3.18-2002, Acoustical Society of America
5. Boettcher FA, Henderson D, Gratton MA, Danielson RW, Byrne CD (1987) Synergistic interactions of noise and other ototraumatic agents. Ear Hear 8:192–212