About: http://webisa.webdatacommons.org/234039684

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	You could write equations for the laws for the phase shift, for the echo, and all various kinds of things.
http://www.w3.org/ns/prov#wasQuotedFrom	ieeeghn.org