@article{Matas_1991, title={Political Prisoners and Oppressed Persons Class and the Soviet Union}, volume={10}, url={https://refuge.journals.yorku.ca/index.php/refuge/article/view/21614}, DOI={10.25071/1920-7336.21614}, number={3}, journal={Refuge: Canada’s Journal on Refugees}, author={Matas, David}, year={1991}, month={Feb.}, pages={5–8} }