For citations:
Savitskaya T.E. Project Gutenberg: the Oldest Digital Library of the USA. Bibliotekovedenie [Russian Journal of Library Science]. 2017;66(5):560-566. (In Russ.) https://doi.org/10.25281/0869-608X-2017-66-5-560-566
Savitskaya T.E. Project Gutenberg: the Oldest Digital Library of the USA. Bibliotekovedenie [Russian Journal of Library Science]. 2017;66(5):560-566. (In Russ.) https://doi.org/10.25281/0869-608X-2017-66-5-560-566