@book { title = {Magyar Tudomány 2019/5}, year = {2019}, publisher = {Akadémiai Kiadó}, isbn = {}, doi = {}, URL = {https://mersz.hu/hivatkozas/matud_po-heading-id_UTy2oV4yD0SSSnpp4UFxgg_p11#matud_po-heading-id_UTy2oV4yD0SSSnpp4UFxgg_p11} }