only in german

Geometric Abstraction

mit Silvin Bronckaert, John Carter, Amedee Cortier, Gilbert Decock, Jo Delahaut, Francis Dusepulchre, Antonia Lambele, Walter Leblanc, Horst Linn, Jules Lismonde, Luc Peire, Dario Perez-Flores, Marc Renard, Albert Rubens, Guy Vanden Branden …