DE 2823798, Hochmair, Erwin & Hochmair, Ingeborg, "Verfahren zur elektrischen Stimulation des Hoernervs und Multikanal-Hoerprothese zur Durchfuehrung des Verfahrens [Method for electrical stimulation of the sensory nerve and multi-channel sensor prosthesis for performing the procedure]", published 1979-09-13, assigned to Siemens AG
US 4284856, Hochmair, Ingeborg & Hochmair, Erwin, "Multi-frequency system and method for enhancing auditory stimulation and the like", published 1981-08-18
Flatz, Christian (15 October 2021). "Verdiente Persönlichkeiten geehrt". Universität Innsbruck (in German). Archived from the original on 13 May 2022. Retrieved 13 May 2022.
Riedler, Michael (19 May 2001). "Gutes Gespür für's Gehör". Wirtschafts Blatt (in German). Archived from the original on 17 April 2016. Retrieved 17 October 2013.
Flatz, Christian (15 October 2021). "Verdiente Persönlichkeiten geehrt". Universität Innsbruck (in German). Archived from the original on 13 May 2022. Retrieved 13 May 2022.
Riedler, Michael (19 May 2001). "Gutes Gespür für's Gehör". Wirtschafts Blatt (in German). Archived from the original on 17 April 2016. Retrieved 17 October 2013.