For citations:
Svergunova N. . Scientific and Technical Libraries. 2016;(4):35-42. (In Russ.) https://doi.org/10.33186/1027-3689-2016-4-35-42
Svergunova N. . Scientific and Technical Libraries. 2016;(4):35-42. (In Russ.) https://doi.org/10.33186/1027-3689-2016-4-35-42