Sputnikovye sistemy morskoĭ navigat︠s︡ii /
Bogdanov, V. A.(Valeriĭ Anatolʹevich)
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Sorochinskiĭ, V. A.(Valentin Alekseevich)
I︠A︡kshevich, E. V.(Evgeniĭ I︠A︡kshevich)
Moskva : Transport,
1987.
Bibliography.
John and Ljubica Erickson collection.
Artificial satellites in navigation.