About: http://webisa.webdatacommons.org/128380949

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	A method of determining the angular position and distance of a radiating source with respect to a detector, including the steps of: a) providing a mask and a detector in parallel planes spaced apart a measured distance; b) providing said
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com