- Albert Mehrabian and his 7%-38%-55% Rule.
- Abbasi, A.R.(2007) Towards Knowledge-Based Affective Interaction-Situational Interpretation of Affect, Abdul Rehman Abbasi, Takeaki Uno, Matthew N.Dailey, Nitin V. Afzulpurkar, Proceedings of 2nd International Conference on Affective Computing and Intelligent Interaction, Lisbon, Portugal 12-14 Sep, 2007, Lecture Notes in Computer Science Vol. 4738, pp.455–466, Springer-Verlag,2007.
- Body language is of particular importance in large groups by Tarnow, E. published 1997