PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Besides this partially new theory of the causes of glacial epochs, the work contained a fuller statement of the various kinds of evidence proving that the great oceanic basins arc permanent features of the earth's surface, than had before been given; also a discussion of the mode u! estimating llic duration of geological periods, and some considerations leading to the conclusion that organic chan
http://www.w3.org/ns/prov#wasQuotedFrom
  • darwin-online.org.uk