By Vega Edward   in Journal of the American Helicopter Society

ISSN:2161-6027|31|4|21-28

AHS International‎(1986)‎

Access to resources Favorite 15.180874

By Vega Edward M.   O'Leary Daniel K.   in Violence and Victims

ISSN:0886-6708|21|4|519-532

Springer Publishing Company ‎(2006)‎

Access to resources Favorite 8.349361