@book { title = {Magyar Tudomány 2021/08}, year = {2021}, publisher = {Akadémiai Kiadó}, isbn = {}, doi = {}, URL = {https://mersz.hu/hivatkozas/matud202108_po-heading-id_SeFeDEJGs0mT3GrSfktcgA_p4#matud202108_po-heading-id_SeFeDEJGs0mT3GrSfktcgA_p4} }