missing reference to Wisser and Ehrlich on Karl Jaspers and Scheel

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http://books.google.com/books?id=cTGhLruuq6IC&lpg=PP1&ots=j4bgdIz9MM&dq=Wisser%20ehrlich&pg=PA334#v=onepage&q&f=false —Preceding unsigned comment added by Grshiplett (talkcontribs) 16:10, 19 May 2010 (UTC)Reply