42nd Stapp Car Crash Conference proceedings : [November 2 - 4, 1998, Tempe, Arizona]
42st Stapp Car Crash Conference proceedings
43nd Stapp Car Crash Conference proceedings : [October 25 - 27, 1999, San Diego, California]
44th annual forum proceedings - American Helicopter Society : Washington, D.C., June 16 - 18, 1988