@book{Jaspers, author = {Jaspers, Karl}, title = {Die Maßgebenden Menschen, M{\"u}nchen (R. Piper \& Co) 1964.}, language = {de} } @book{Jaspers, author = {Jaspers, Karl}, title = {Psychologie der Weltanschauungen, Berlin (Verlag von Julius Springer) 1922.}, language = {de} }