ISSN Portal
The Keepers Registry (preservation)
SHERPA/RoMEO (access policies)
wikidata.org
Georesursy
container_53icg5kimbfd5juttct3gajikm
[as of editgroup_txv43fiavzfr3oyjmr6x4efuiu]
Georesursy
Homepage URLs
http://elibrary.ru/title_about.asp?id=7589 |
https://geors.ru/ |