ISBN 3869844205 books & textbook
Otto Piene: Energy Fields in Celebration of Otto Piene's 85th Birthday
Weibel, Peter Piene, Otto Ziegler, Philipp Beitin, Andreas F. Quadt, Edgar
Moderne Kunst Nürnberg /2013-09-30 Paperback / 132 Pages
isbn-10: 3869844205 / isbn-13: 9783869844206