About: http://webisa.webdatacommons.org/67647807

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	The deterioration of library materials is caused by natural elements such as temperature and humidity extremes, light, pollutants in the air, mold, and pests.
http://www.w3.org/ns/prov#wasQuotedFrom	udel.edu