. . . "Keith Symon"@en . "Randolph" . "R." . "R."@en . "SYMON" . "Symon Keith R." . "http://www.wikidata.org/entity/Q6581097" . "Keith"@en . "Keith R. Symon"@en . . "Keith Randolph SYMON" . "2013-12-16" . "physicien américain" . "Symon"@en . "Keith" . "Keith Randolph Symon"@nl-NL . "1920-01-01" . "Symon" . . . . . . .