<http://webisa.webdatacommons.org/129571280>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/333054506>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/129571280> .
<http://webisa.webdatacommons.org/129571280>	<http://www.w3.org/ns/prov#value>	"FIG. 4B is a plan view of a typical impedance-matching acoustic horn." .
<http://webisa.webdatacommons.org/129571280>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .