1. Overcoming the fear of flying;Heller,1993
2. Fear of flying treatment programs for passengers: An international review;Van Gerwen;Aviat Space Environ Med,2000
3. The prevalence of flight anxiety in Norwegian airline passengers;Ekeberg;Scan J Behav Ther,1988
4. People who seek help for fear of flying: typology of flying phobics;Van Gerwen;Behavior Therapy,1997
5. Passenger fear of flying. Behavioural treatment with extensive in-vivo exposure and group support;Roberts;Aviat Space Environ Med,1989