1. Quantitative subjective assessments are almost always biased, sometimes completely misleading;Poulton;British Journal of Psychology,1977
2. Performance and physiological effects of combined stress during vibration;Guignard,1974
3. Mechanisms of vibration effects on aircrew performance;Shoenberger;Aerospace Medical Research Laboratory TR-73-133,1973
4. Human performance as a function of direction and frequency of whole-body vibration. Perceptual and Motor skills;Shoenberger;Aerospace Medical Research Laboratory. TR-70-7,1970
5. Psychophysical assessment of whole-body vibration;Schoenberger;Human Factors,1971