Solnechnai︠a︡ aktivnostʹ.
Series: Populi︠a︡rnye lekt︠s︡ii po astronomii : -- vyp.15; Populi︠a︡rnye lekt︠s︡ii po astronomii -- vyp. 15
Publisher: "Nauka"
Published: 1969
Place of publication: Moskva
Language: rus
Number of pages: 92
Subjects: Solar activity.
Notes: At head of title: I︠U︡. I. Vitinskiĭ.