Singular/Plural Kollborationen in der Post-Pop-Polit-Arena, Düsseldorf 1969-1980 = Singular/Plural : collaborations in the post-pop-polit arena, Düsseldorf 1969-1980 - Lange-Berndt, Petra; Schulze, Max 1977-; Rübel, Dietmar 19XX- (Snoeck Verlag, 2017)