Schwier, R. A., & Balbar, S. (2002). The interplay of content and community in synchronous and asynchronous communication: Virtual communication in a graduate seminar. Canadian Journal of Learning and Technology/La revue canadienne de l'apprentissage et de la technologie, 28(2). Available at http://www.cjlt.ca/index.php/cjlt/article/view/81/74