About: http://webisa.webdatacommons.org/280788853

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The disc is a circular member having an annular uninterrupted peripheral edge and a substrate covered with a Pyrolite carbon coating.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es