Indeksy solnechnoĭ aktivnosti dli︠a︡ t︠s︡iklov no. 17-20 (1934- 1977 gg.) /
Slonim, I︠U︡. M.(I︠U︡diĭ Moiseevna)
Kuleshova, K. F.(Klavdii︠a︡ Fedorovna)
Astronomii︠a︡ Instituti (Ŭzbekiston SSR Fanlar Akademii︠a︡si)cn
Tashkent : Izd-vo "Fan" Uzbekskoĭ SSR,
1982.
At head of title: Akademii︠a︡ nauk Uzbekskoĭ SSR. Ordena trudovogo krasnogo znameni Astronomicheskiĭ institut.
Bibliography: p. 33.
Solar activity.