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,1973
4. Human performance as a function of direction and frequency of whole-body vibration.;Shoenberger,1970
5. Psychophysical assessment of whole-body vibration.;Shoenberger;Human Factors,1971