D. Van Der Linden, P. De Bruyn, W. Kastner, H. Mannaert:
"Deriving guidelines for cross-vendor reuse of IEC 61131-3 modules based on Normalized Systems theorems";
Computer Standards & Interfaces, 32 (2014), 3; 598 - 603.
http://dx.doi.org/10.1016/j.csi.2013.10.001
Project Head Wolfgang Kastner:
Web-basierte Kommunikation in der Automation