Analysis of information sources in references of the Wikipedia article "苏联加盟共和国" in Chinese language version.
The forcible military occupation and subsequent annexation of the Baltic States by the Soviet Union remains to this day (written in 1972) one of the serious unsolved issues of international law
The forcible military occupation and subsequent annexation of the Baltic States by the Soviet Union remains to this day (written in 1972) one of the serious unsolved issues of international law