TY  - BOOK
AU  - Chernyi A I. ed
TI  - Research on theoretical basis of information :  Collection of papers
T2  - Problems of information science , FID; 478
U1  - 2:97z7, L2 (2) 
PY  - 1972///
CY  - Moscow
PB  - All Union Institute for scientific and technical information
KW  - LIBRARY SCIENCE
ER  -