@book { title = {Magyar Tudomány 2023/04}, year = {2023}, publisher = {Akadémiai Kiadó}, isbn = {}, doi = {}, URL = {https://mersz.hu/hivatkozas/matud202304_po-heading-id_muNU5TfKuEuitP6BGRQNOQ_p15#matud202304_po-heading-id_muNU5TfKuEuitP6BGRQNOQ_p15} }