About: http://webisa.webdatacommons.org/35471121

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	.times..pi..times. ##EQU00001## where k.sub.r is a spring constant and m.sub.r is mass.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com