%0 Book %T Magyar Tudomány 2020/9 %B %D 2020 %R %@ %U https://mersz.hu/hivatkozas/matud202009_po-heading-id_tdUK6TB8_EK0GjrVtgX8Og_p1#matud202009_po-heading-id_tdUK6TB8_EK0GjrVtgX8Og_p1