1. A criterion for the prediction of auditory and subjective effects due to airborne noise from ultrasonic sources;Acton;Annals of Occupational Hygiene,1968
2. Effect of ultrasonic vibrations on personnel working with ultrasonic equipment;Grigor'eva;Soviet Physics — Acoustics,1966
3. Effects of airborne ultrasound on man;Knight;Ultrasonics,1968
4. Physiological effects of airborne ultrasound; a bibliography with abstracts;Cordell,1968
5. Cavitation;Webster;Ultrasonics,1963