340 (Continued) 
Description: 
The Institute is active in work connected with deformation theory, 
stress analysis of construction materials, and general architectural and 
construction research. 
341 
Name: Institute of Construction and Construction Materials 
(Institut stroitel'stva i stroitel'nykh materialov) 
Address: Tallin 
Director: V. P. Polonskiy (1960) 
Deputy Director: -- 
Administrative Affiliation: Academy of Sciences, Estonian S.S.R. (1961) 
Selected Staff Members: N. A. Alumyae, Academician (Estonian S.S.R.) 
Description: 
Mathematical work at the Institute has been concerned with elastic 
shells and plates. A special section was organized in 1957 to deal with 
problems in the technology of silicalcite and other sand-lime building 
materials. Gamma-radiation methods have been used for moisture migration 
studies in structural materials. 
342 
Name: Institute of Crystallography 
(Institut kristallografii--IK) 
Address: Moscow, Pyzhevskiy pereulok, 3 
Director: A. V. Shubnikov, Academician (U.S.S.R.) (1961) 
Deputy Director: L. M. Belyayev (1960) 
Administrative Affiliation: Academy of Sciences, U.S.S.R. (1961) 
Selected Staff Members: 
K. S. Aleksandrov 
N. M. Bashkirov, Candidate 
N. V. Belov, Academician (U.S.S.R.) 
