1. National Gas Turbine Establishment Report R286;Bryce,1966
2. Environmental biology;Altmann;Wright Patterson Air Force Base, Report no. AMRL-TR-66-194,1966
3. Scale for degrees of vibration perceptibility and annoyance;Soliman;Ergonomics,1968
4. Mechanical vibration effects on human beings;Linder;Aerospace Medicine,1962
5. IMP/F4/1439;Beevis,1970