1. “Put that there” voice and gesture at the graphics interface;Bolt;ACM,1980
2. Expectations and feedback in user-system communication;Engel;International Journal of Man-Machine Studies,1993
3. Perceptual Control and layered protocols in interface design: I. Fundamental Concepts;Farrell;Int. J. Human-Computer Studies,1999
4. The continuous regulation of skilled response by kinaesthetic feedback;Gibbs;British Journal of Psychology General Section,1954
5. The Making of a Peacemonger;Ignatieff,1985