About: http://webisa.webdatacommons.org/165007514

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	Obviously, the various layers of paper are laid in tar or other cementing material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com