@book { title = {Magyar Tudomány 2019/5}, year = {2019}, publisher = {Akadémiai Kiadó}, isbn = {}, doi = {}, URL = {https://mersz.hu/hivatkozas/matud_po-heading-id_fFp9kYFhz0aStFO3qeWY9w_p2#matud_po-heading-id_fFp9kYFhz0aStFO3qeWY9w_p2} }