Sobek, W., Heinlein, F., & Sostmann, M. (2008). Werner Sobek: Light Works / [eds. and concept] Frank Heinlein ; Maren Sostmann. av ed..

Sobek, Werner, Frank Heinlein, and Maren Sostmann. Werner Sobek: Light Works / [eds. and Concept] Frank Heinlein ; Maren Sostmann. Ludwigsburg: av ed., 2008.

Sobek, Werner, et al. Werner Sobek: Light Works / [eds. and Concept] Frank Heinlein ; Maren Sostmann. av ed., 2008.