@book { title = {Magyar Tudomány 2020/4}, year = {2020}, publisher = {Akadémiai Kiadó}, isbn = {}, doi = {}, URL = {https://mersz.hu/hivatkozas/matud_po-heading-id_-6c2VjfrBEWeELdJIWm6CQ_p4#matud_po-heading-id_-6c2VjfrBEWeELdJIWm6CQ_p4} }