1. R. Gorbet, Personal Interaction, Aug 2010. Venice Biennale
2. B.B. Cohen, Sensing, Feeling, and Action (Contact Editions, Northampton, 2007)
3. R. Laban, The Mastery of Movement, 3rd edn. (PLAYS Inc, Boston, 1972). (revised and enlarged by Lisa Ullmann)
4. K. Bloom, Interrelationships between between movement analysis and psychoanalysis: a qualitative research project. J. Laban Mov. Stud. 1(1), 33–43 (2009). Spring
5. B. Kagan, What is spatial tension? Discussion no. 28.
http://dnbtheorybb.blogspot.ca/2010/01/what-is-spatial-tension.html
. Dance Notation Bureau Theory Bulletin Board (2007)