@book { title = {Magyar Tudomány 2019/12}, year = {2019}, publisher = {Akadémiai Kiadó}, isbn = {}, doi = {}, URL = {https://mersz.hu/hivatkozas/matud_po-heading-id_12EVGo6nHUuyPH7I_oR3iQ_p4#matud_po-heading-id_12EVGo6nHUuyPH7I_oR3iQ_p4} }