|  |  | Near midair collisions as an indicator of general aviation collision risk : dissertation | Bøker | 656.7.08 Shuch, H. Paul /  - Berkeley, CA : University of California, Berkeley, 1990. [Bøker]. - 214 s. - Språk: Engelsk
 | Shuch, H. Paul | 1990 | 
				|  |  | Software documentation for the collision risk model (CRM) for ILS operations | Bøker | ICAO 8B ICAO /  - Montreal : ICAO, 1983. [Bøker]. - flere pag.ill. (ICAO Doc 9387)
 | ICAO | 1983 |