2026-04-09T08:18:23Z https://icat.isis.stfc.ac.uk/oaipmh/request ISIS data repository https://icat.isis.stfc.ac.uk/oaipmh/request 2.0 isisdata@stfc.ac.uk 2007-09-12T12:59:58Z no YYYY-MM-DDThh:mm:ssZ