1. Skin Diving: Its Physiological and Otolaryngological Aspects
2. THE OTOLARYNGOLOGIC ASPECTS OF SKIN AND SCUBA DIVING
3. Edmonds C, Lowry C, Pennefather J. Diving and subaquatic medicine. 1st ed. Mosman, New South Wales: Australia Diving Medical Center 1976:74.
4. Edmonds C, Lowry C, Pennefather J. Diving and subaquatic medicine. 2nd ed. Mosman, New South Wales: Australia Diving Medical Center 1981:96, 99, 101.