About: http://webisa.webdatacommons.org/158242186

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	One level can be for example set at approximately one half of the expected peak amplitude level.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com