Title: Issledovanii︠a︡ potokov gamma-izluchenii︠a︡ i zari︠a︡zhennykh chastit︠s︡ s pomoshchʹi︠a︡ aėrostatov v ėkvatorialʹnoĭ oblasti
Subjects: Gamma ray sources, Pilot Balloons, Atmospheric radiation, Measurement