About: http://webisa.webdatacommons.org/77498763

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	Each mirror may consist of alternately arranged layers of two materials of this system, the compositional parameter varying between two values such as 1.0 and 0.3 for example.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca