1. Surface Vehicle Recommended Practice. The Engineering Society for Advanced Mobility Land Sea Air and Space. SAE J670e;SAE International,1952
2. Ride and vibration data manual: SAE J6a; report of Riding Comfort Research Committee approved July 1946 and last revised by the Vehicle Dynamics Committee October, 1965
3. Vehicle Vibration Limits to Fit the Passenger;Janeway,1948
4. Human Sensivity to Vibrations”;Reiher;Forsch. aufdem Geb. Des Ingen,1931
5. A Review of the Subjective Response to Vertical Motion of the Human Body in the Frequency Range 1 to 70 Cycles Per Second;Goldman,1948