[{"data": {"name": "Letter Circular 646: ", "@type": "ScholarlyArticle", "genre": "report", "@context": "http://schema.org/", "encoding": [{"@type": "MediaObject", "contentUrl": "https://doi.org/10.6028/nbs.lcirc.646", "encodingFormat": "application/pdf"}], "publisher": {"name": "National Institute of Standards and Technology", "@type": "Organization"}, "identifier": [{"@type": "PropertyValue", "value": "10.6028/nbs.lcirc.646", "propertyID": "DOI"}, {"@type": "PropertyValue", "value": "CCcoMHn1Mh7fh-CThpg4RhiHfNv-CD7gYFerL8ygy-CRAD4dxN8Uad8", "propertyID": "ISCC"}], "datePublished": "1941-01-01"}, "schema": "schema.org", "mediatype": "application/ld+json"}]