1. Bauder, F., Christiani, P., Grudke, D., Hopp, H.: AS-Interface Safety at Work. Safety in Automation, introduction and application examples. AS-Internaional Association, Medien GmbH, Schweinfurt (2004)
2. Becker, R.: Intelligence in the network. The info guide for new and experienced users. AS-Internaional Association, Gelnausen (2000)
3. Becker, R., Müller, B., Schiff, A., Schinke, T., Walker, H.: AS-Interface The automation Solution. A compilation of a technology, funcionality and applications. AS-Internaional Association, WEPPERT GmbH & Co., Schweinfurt (2002)
4. Bryant, M.: US Brochure – Technical Overview. AS-Interface Trade Organization USA, Scottsdale (2010)
5. CEDES AG.: Safety and automation. Landquart (2005)