@book {
	title = {Magyar Tudomány 2021/09},
	year = {2021},
	publisher = {Akadémiai Kiadó},
	isbn = {},
	doi = {},
	URL = {https://mersz.hu/hivatkozas/matud202109_po-heading-id_tpQ3wzfgJU-Oez0NBHf_6w_p3#matud202109_po-heading-id_tpQ3wzfgJU-Oez0NBHf_6w_p3}
}