@book{Grinberg2022,
author = {Grinberg, Ruslan},
year = {2022},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Mikhail Gorbachev: Lessons and Warnings},
url = "http://dx.doi.org/10.17169/refubium-49060",
}