Author: Ukraine) Mezhdunarodnai︠a︡ nauchno-tekhnicheskai︠a︡ konferent︠s︡ii︠a︡ "Problemy razvitii︠a︡ sistem aėronavigat︠s︡ionnogo obsluzhivanii︠a︡ i avioniki vozdushnykh sudov" (1998 Kiev