Quote
P. C. Scorzin, "In contact with ... Karl-Heinz Petzinka, architect, professor of architecture, board member and artistic program director of RUHR.2010 GmbH," in Reflektor 2 : Jahrbuch 2009 ; Fachhochschule Dortmund, Faculty of Design, Stuttgart: Arnoldsche Art Publishers, 2009, pp. 114-119.