@book { title = {Magyar Tudomány 2020/4}, year = {2020}, publisher = {Akadémiai Kiadó}, isbn = {}, doi = {}, URL = {https://mersz.hu/hivatkozas/matud_po-heading-id_QMrDJEMdu02cX4wSGRBoIw_p7#matud_po-heading-id_QMrDJEMdu02cX4wSGRBoIw_p7} }