Composed by Gerhard R. Koch, Johannes Fritsch, and Winrich Hopp. Edited by Kunststiftung NRW. Energien|Synergien Vol. 4. Classical. Book. With Text Language: German. 102 S. pages. Verlag Dohr #978-3-936655-84-1. Published by Verlag Dohr (VD.978-3-936655-84-1).
