<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Le Boeuf, Patrick / Doerr, Martin / Emil Ore, Christian / Stead, Stephen (2018):</hi> <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">Definition of the CIDOC Conceputal Reference Model</hi>. Version 6.2.4. <ref xmlns="http://www.tei-c.org/ns/1.0" target="http://www.cidoc-crm.org/sites/default/files/2018-10-26%23CIDOC%20CRM_v6.2.4_esIP.pdf">http://www.cidoc-crm.org/sites/default/files/2018-10-26%23CIDOC%20CRM_v6.2.4_esIP.pdf</ref>