Methods for Interrupting a Wearable Computer User. - Mikael Drugge; Marcus Nilsson; Urban Liljedahl; Kåre Synnes; Peter Parnes (ISWC, 2004)

A Study on Users' Preference on Interruption When Using Wearable Computers and Head Mounted Displays. - Marcus Nilsson; Mikael Drugge; Urban Liljedahl; Kåre Synnes; Peter Parnes (PerCom, 2005)