About: http://webisa.webdatacommons.org/392046620

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	CID = 1 2 k ??? ( D 2 ) 2 wherein k is a constant, and D is the diameter of the mirror plate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au