1. Anhalt J, Smailagic A, Siewiorek DP, Gemperle F, Salber D, Weber S, Beck J, Jennings J. Toward context-aware computing: Experiences and lessons learned. IEEE Journal on Intelligent Systems 2001;16(3):38–46.
2. Bies RJ, Tripp TM, Kramer RM. At the Breaking Point: Cognitive and Social Dynamics of Revenge in Organizations. In: Giacalone RA, Greenberg J eds., Antisocial Behavior in Organizations Thousand Oaks: Sage Publications, 1997:18–36.
3. Bhagwat P, Tripathi SK. Mobile Computing: A research perspective. In: Proceedings of Networks ‘94, Hungarian Scientific Society for Telecommunications, 1994:3–12.
4. Creativegood. The Wireless Customer Experience. 2000. From http://www.creativegood.com/
5. Chávez E, Ide R, Kirste T. Interactive applications of personal situation-aware assistants. Computers & Graphics 1999;23:903–915.