<https://asep.lib.cas.cz/arl-cav/cs/detail-cav_un_auth-0101453-Jehlicka-Vladimir/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://asep.lib.cas.cz/arl-cav/cs/detail/?&idx=cav_un_epca*0100941>