G. S. Elfimova
Russian State Library for the Blind
Russian Federation

Galina S. Elfimova – Cand. Sc. (Engineering), Deputy Director for Research,

Moscow.

Y. L. Shrayberg
Russian National Public Library for Science and Technology; Moscow State Linguistic University
Russian Federation

Yakov L. Shrayberg – Dr. Sc.  (Engineering), Professor, Corresponding Member of Russian Academy of Education, Academic Director of RNPLST,  Editor-in-Chief of “Scientific and Technical  Libraries” Journal; Head, Department for Electronic Libraries  and Scientometric Studies,

Moscow.