<https://stad.gent/id/blank_node/b806d40f-4c54-4e81-a4c0-e22db9ca7819> <http://www.cidoc-crm.org/cidoc-crm/P32_used_general_technique> <https://stad.gent/id/blank_node/5204092c-a793-4e29-a333-4e7ba54dcb87> .