About: http://webisa.webdatacommons.org/64837686

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	FIG. 1D illustrates a method and apparatus for providing canceling acoustic waves propagating through an elastic medium such as air.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr