. . . . . . "P" . "P. A. Witherspoon"@en-AU . "Witherspoon"@en . "1919" . "Lawrence Berkeley Lab., CA (USA). Earth Sciences Div. California Univ., Berkeley, CA (USA). Dept. of Materials Science and Mineral Engineering" . "P. A. Witherspoon" . "P.A" . "A." . . "Witherspoon"@fr-FR . . "Paul Adams Witherspoon"@en . . "Witherspoon, Paul Adams, Jr." . . "P." . "Paul A. Witherspoon" . "Paul A. Witherspoon"@de-DE . "Paul Adams" . "Paul"@en . "2012" . "P.A Witherspoon" . "Paul A." . "Paul Adams WITHERSPOON" . "Jr. Paul Adams Witherspoon" . "P A. Witherspoon" . "P. A." . . "Paul Adams Witherspoon" . . "Adams"@en . "WITHERSPOON" .