<https://asep.lib.cas.cz/arl-cav/en/send-email/?idx=cav_un_epca*0542125>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://asep.lib.cas.cz/arl-cav/en/send-email/?&idx=cav_un_epca*0542125&iset=1&disprec=3>