@conference {skarpetis2014robust,
	title = {Robust position tracking for a hydraulic servo system},
	booktitle = {22nd Mediterranean Conference on Control and Automation},
	year = {2014},
	pages = {1553{\textendash}1558},
	publisher = {IEEE},
	organization = {IEEE},
	author = {Skarpetis, Michael G and Fotis N. Koumboulis and Ntellis, Achilleas S}
}
