@conference {skarpetis2011longitudinal,
	title = {Longitudinal flight multi condition control using robust PID controllers},
	booktitle = {ETFA2011},
	year = {2011},
	pages = {1{\textendash}7},
	publisher = {IEEE},
	organization = {IEEE},
	author = {Skarpetis, Michael G and Fotis N. Koumboulis and Ntellis, Achilleas S}
}
