@misc{Schmidt2004SensorVirrig,
		author          = {Albrecht Schmidt and Paul Holleis and Matthias Kranz},
		title           = {Sensor Virrig - A Balance Cushion as Controller},
		url             = {http://www.hcilab.org/projects/virrig/virrig_cursor.htm},
		year            = {2004},
		month           = {September},
		howpublished    = {{Workshop Playing with sensors on UbiComp 2004}}
}