1. Air Transport Association Flight Systems Integration Committee. (1989). ATA standard for TCAS 11: Displays, symbology and controls (Rev. A: ATASTD-TCAS IIIlA). New York: Air Transport Association of America.
2. Head-Up Auditory Displays for Traffic Collision Avoidance System Advisories: A Preliminary Investigation
3. Begault, D. R. (1994). 3 - 0 Sound for virtual reality and multimedia. Cambridge, MA: Academic Press Professional.
4. Techniques and Applications for Binaural Sound Manipulation
5. Billings, C. E. (1991). Human-centered aircraft automation: A concept and guidelines (NASA Technical Memorandum No. 103885). Moffett Field, CA: NASA-Ames Research Center.