PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The following is a description of the second and third stage propellant utilization subsystem, from Technical Information Summary, Apollo-11 (AS-506), Apollo Saturn V Space Vehicle, Document No. S&E-ASTR-S-101-69, June 25, 1969:
http://www.w3.org/ns/prov#wasQuotedFrom
  • braeunig.us