971 (Continued) 
refractories, the effect of the surface of raw cements on the granulation 
and consistency of slurries, and the effect of microstructure of the clinker 
on the properties of Portland cement. 
The Institute publishes Informatsionnyye Soobshcheniya (Information 
Reports), Nauchnyye Soobshcheniya (Scientific Reports), and Ukazatel! 
Zhurnal ‘nykh Statey po Tsementu (Index of Periodical Articles on Cement). 
It also publishes a Trudy. 
972 
Name: State Astronomical Institute imeni P. K. Shternberg 
(Gosudarstvennyy astronomicheskiy institut imeni P. K. Shternberga-- 
GAISh) 
Address: Moscow 
Director: D. Ya. Martynov, Professor (1961) 
Deputy Director: -- 
Administrative Affiliation: Moscow State University imeni M. V. Lomonosov 
(1961) 
Selected Staff Members: 
V. V. Aksent'yev 
V. Davydov, Scientific Secretary 
O. S. Dokuchayeva, Head of the Laboratory of Astrophotography 
G. N. Duboshin 
EK. Ve. Konovich, Doctor 
B. V. Kukarkin, Doctor 
Yu. N. Lipskiy 
A. G Masevich, Doctor 
A. A. Orlov, Candidate 
A. S. Sharov, Director of the Observation Station (of artificial 
earth satellites) 
I. S. Shklovskiy, Professor 
G F. Sitnik, Doctor 
B. A. Vorontsov-Velyaminov, Professor 
Description: 
The State Astronomical Institute imeni P. K. Shternberg, a 
scientific-research institute of Moscow State University, was founded in 1931. 
It was based on the University's astronomical observatory, founded about 1830, 
which was famous for its work on the determination of the exact positions 
of stars and the study of variable stars. The Institute is an important 
center of celestial mechanics work, both pure and as applied to orbital 
mechanics. 
