{"tema_id":"1572","string":"reference material           #00158","created":"2022-12-19 09:13:38","code":null,"notes":[{"@type":"Cataloger's note","@lang":"en-EN","@value":"reference: D022:1991 3.13 "},{"@type":"Cataloger's note","@lang":"en-EN","@value":"ID: 00158 "},{"@type":"Definition note","@lang":"en-EN","@value":"a material or substance one or more properties of which are sufficiently well established to be used for the calibration of an apparatus, the assessment of a measurement method, or for assigning values to materials "}]}