About: http://webisa.webdatacommons.org/69865420

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. 2 is a graph showing a measured frequency response diagram of standing wave levels, wherein the curve shows that considerable peaks are produced at the parts of frequencies of about 200 Hz and about 1 KHz.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com