About: http://webisa.webdatacommons.org/15694010

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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	The result is a scale similar to that used in photography or by the nervous system as its transfer function. ?? 1982 Optical Society of America Full Article | PDF Article
http://www.w3.org/ns/prov#wasQuotedFrom	osapublishing.org