About: http://webisa.webdatacommons.org/19986113

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	In Europe, one of the oldest reducing agents, and the cheapest, was stale urine.
http://www.w3.org/ns/prov#wasQuotedFrom	dharmatrading.com