: 2018-11-08T11:19https://iisg.amsterdam/Copper-historical/provenance/cc893f38/ Create a prefix for https://iisg.amsterdam/Copper-historical/provenance/cc893f38/ Hit Enter to save Double click to create a prefix | : Provenancehttp://www.nanopub.org/nschema# Create a prefix for http://www.nanopub.org/nschema# Hit Enter to save Double click to create a prefix |