D. Etz, H. Brantner, W. Kastner:
"Smart Manufacturing Retrofit for Brownfield Systems";
Talk: International Conference on Industry 4.0 and Smart Manufacturing, Rende, Italy; 2019-11-20 - 2019-11-22; in: "Procedia Manufacturing", (2019), 327 - 332.
http://dx.doi.org/10.1016/j.promfg.2020.02.085