About: http://webisa.webdatacommons.org/224877291

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 surface may be the rear surface, i.e. the surface not exposed to light upon use.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com