N. Reshef, I. Guy, и M. Jacovi. Proceedings of the ACM 2009 international conference on Supporting group work, стр. 277--280. New York, NY, USA, ACM, (2009)
N. Aizenbud-Reshef, I. Guy, и M. Jacovi. GROUP '09: Proceedings of the ACM 2009 international conference on Supporting group work, стр. 277--280. New York, NY, USA, ACM, (2009)