2006
Max Neuhaus' Conception of a Sound Sculpture. Discussion with Max Neuhaus. In End of Art--Endings in Art. Edited by Gottfried Boehm and Gerhard Seel. Schwabe Verlag Basel 2006.

Discussion with members of the International Academy of Philosophy of Art, Bern, 1998:

2006Max Neuhaus' Conception of a Sound Sculpture. Discussion with Max Neuhaus. In End of Art--Endings in Art. Edited by Gottfried Boehm and Gerhard Seel. Schwabe Verlag Basel 2006.