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October 1912 : understanding Kandinsky's art "indirectly" at 'Der Sturm'
Los Angeles : Getty Research Institute, 2009
Bibliographie "Der Sturm"
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Pure painting in Berlin, 1912 - 1913 : Boccioni, Kandinsky and Delaunay at Der Sturm
2002 ; Ann Arbor, Mich : UMI, 2002
UB Heidelberg , Bibliographie "Der Sturm"