Borys, Bernd-Burkhard. "Ein Cockpit-Mockup zur Evaluierung auditiver Flugführungsanzeigen (A Cockpit Mockup for the Evaluation of Auditory Flight Instruments)." i-com 7 , no. 1 (2008): 30-33.

Borys, Bernd-Burkhard. "Ein Cockpit-Mockup zur Evaluierung auditiver Flugführungsanzeigen (A Cockpit Mockup for the Evaluation of Auditory Flight Instruments)." i-com 7 , no. 1 (2008): 30-33.