@book { title = {Magyar Tudomány 2019/4}, year = {2019}, publisher = {Akadémiai Kiadó}, isbn = {}, doi = {}, URL = {https://mersz.hu/hivatkozas/matud_po-heading-id_qIZY8hcmw0Crijd5TLkadA_p1#matud_po-heading-id_qIZY8hcmw0Crijd5TLkadA_p1} }