Bochum
- Competitive Building Systems: Post-War University Architecture in the Ruhr Area. Présenté pendant: Fourth International Congress on Construction History, Paris, 3-7 July 2012, pp. 463-469. (2012):
- Stahlbrücke im Volkspark Bochum-Hiltrop. Dans: Stahlbau, v. 69, n. 6 (juin 2000), pp. 482.