@article{Lengyel_György_Two_2020,
 author={Lengyel, György},
 howpublished={online},
 journal={Europe on test: the onus of the past},
 pages={36-49},
 year={2020},
 publisher={Warsaw: Polska Akademia Nauk,},
 title={Two Risky Options and Two Hidden Sources of European Integration},
 type={Article},
}