About: http://webisa.webdatacommons.org/93008569

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. 13 is a curve indicative of the distribution of frequencies of a transmitted acoustic signal (pulse waves);
http://www.w3.org/ns/prov#wasQuotedFrom	google.com