About: http://webisa.webdatacommons.org/426093450

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 source of light used in an apparatus for detecting the signals stored in the carrier may be a source having a great brightness and a high degree of coherence, for example a laser.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de