@INPROCEEDINGS{Babuska1999NewTrendsModeling, author = {R. Babu\v{s}ka and H.B. Verbruggen and H. Hellendoorn}, title = {New Trends in Modeling for Industrial Control}, booktitle = {Proceedings Automazione'99}, address = {Rome, Italy}, month = nov, pages = {15--28}, year = 1999 }