VSL International
- Breaking new ground with Intrafor. In: News. The VSL-Intrafor Magazine, v. 12, n. 1 ( 2001), S. 4-6.
- The Grocon-VSL Synergy Continues. In: VSL News, v. 9, n. 1 ( 1998), S. 5. (1998):
- Home and dry. In: Bridge Design & Engineering, v. 14, n. 51 (2. Quartal 2008), S. 52.
- Le système de précontrainte VSL à torons. In: Travaux, n. 475 (Oktober 1974), S. 56. (1974):