@conference {2027,
	title = {ntegrating hands-free interface into 3d virtual reality environments},
	booktitle = {ARO Non-Manual Control Devices Symposium},
	year = {2009},
	pages = {{\textendash}},
	author = {A. Tognetti and Gulrez, T and N. Carbonaro and G. Dalle Mura and G. Zupone and D. De Rossi}
}
