About: http://webisa.webdatacommons.org/47258679

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	Deacidification??? A chemical process is used to deacidify paper. (This is a time- consuming and costly process and is only undertaken for particularly rare and endangered items.)
http://www.w3.org/ns/prov#wasQuotedFrom	yivoinstitute.org