About: http://webisa.webdatacommons.org/325486049

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	Coal and oil shale are typical examples of materials that contain kerogen. ???Bitumen??? is a non-crystalline solid or viscous hydrocarbon material that is substantially soluble in c
http://www.w3.org/ns/prov#wasQuotedFrom	google.es