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Ground studies for pilots. Vol. 1, Radio aids
Materijalni opis : 200 str. ; 24 cm
Godina izdanja : 1978
Ground studies for pilots. Vol. 2, Plotting and flight planning
Materijalni opis : 130 str. ; 24 cm
Godina izdanja : 1978
Ground studies for pilots. Vol. 3, Navigation general
Materijalni opis : 227 str. ; 24 cm
Godina izdanja : 1978















