The Main Astronomical Observatory of the Academy of Sciences of the USSR at Pulkovo /
Yu. I. Vitinsky ; [translated by I.N. Voronina].
- 38, [2] pages : illustrations ; 20 cm
At head of title: Academy of Sciences of the USSR, Main Astronomical Observatory. Translation of: Glavnai︠a︡ astronomicheskai︠a︡ observatorii︠a︡ Akademii nauk SSSR v Pulkovo. 1981.