PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Believe me : his office in his home was a treasure trove about the Mariner and Viking missions???After he retired in 1984, some scientists and Mars engineers at JPL still kept contact with him : he was glad to share his great Martian experience when new Mars missions were to be decided (especially for MGCO/Mars Observer, MGS and Pathfinder).Like others, I had great times at JPL with him : he was a
http://www.w3.org/ns/prov#wasQuotedFrom
  • unmannedspaceflight.com