DOERR, Martin. The CIDOC Conceptual Reference Model: an ontological approach to semantic interoperability of metadata. In: AI magazine. Fall 2003, 24(3), 75-92. ISSN 0738-4602.
Dostupný mimořádně volně z: (AAAI): http://www.aaai.org/ojs/index.php/aimagazine/article/download/1720/1618 nebo http://www.aaai.org/ojs/index.php/aimagazine/article/view/1720/1618.
Preprint dostupný také z: http://www.cidoc-crm.org/docs/crm-ontology_preprint.pdf nebo http://cidoc.ics.forth.gr/technical_papers.html.