For citations:
Romanov P.S. Analytical characteristics of a document flow of dissertations on library science in the USA and Canada. Bibliosphere. 2018;(3):7-13. (In Russ.) https://doi.org/10.20913/1815-3186-2018-3-7-13
Romanov P.S. Analytical characteristics of a document flow of dissertations on library science in the USA and Canada. Bibliosphere. 2018;(3):7-13. (In Russ.) https://doi.org/10.20913/1815-3186-2018-3-7-13