Milan, Permanente’s building 15th  November 2012 – 20th  Janaury 2013 Mario Ballocco, Alberto Burri, Giuseppe Capogrossi, Ettore Colla | The common exhibition To the origins of form. Mario Ballocco, Alberto Burri, Giuseppe Capogrossi, Ettore Colla is inaugurated on Thursday 15th November 2012 at 18:30 by  Società per le Belle Arti