Van Der Linden, D., Granzer, W., & Kastner, W. (2011).
OPC Unified Architecture (OPC UA): New Opportunities of System Integration and Information Modeling in Automation Systems. IEEE 9th International Conference on. Industrial Informatics (INDIN’2011), Caparica, Lisbon, Portugal, EU.
http://hdl.handle.net/20.500.12708/85221 ( reposiTUm)