Griffin, E. & Sparks, G.G. (1990) `Friends Forever: A Longitudinal Exploration of Intimacy in Same-sex Friends and Platonic Pairs', Journal of Social and Personal Relationships7: 29-46.
2.
Hatfield, E. (1984) `The Dangers of Intimacy in Communication', in V. Derlega (ed.) Communication, Intimacy, and Close Relationships. New York: Academic Press.
3.
Kelley, H. , Berscheid, E., Christensen, A., Harvey, J., Huston, T., Levinger, G., McClintock, E., Peplau, L. & Peterson, D. (1983) `Analyzing Close Relationships', in H. Kelleyet al. (eds) Close Relationships. New York: W.H. Freeman.
4.
Lund, M. (1985) `The Development of Investment and Commitment Scales for Predicting Continuity of Personal Relationships', Journal of Social and Personal Relationships2: 3-23.
5.
Morgan, D.L. (1986) `Personal Relationships as an Interface between Social Networks and Social Cognitions', Journal of Social and Personal Relationships3: 403-422.
6.
Rawlins, W.K. (1983) `Negotiating Close Friendship: The Dialectic of Conjunctive Freedoms', Human Communication Research9: 255-266.
7.
Tesser, A. (1988) `Toward A Self-evaluation Maintenance Model of Social Behavior', in L. Berkowitz (ed.) Advances in Experimental Social Psychology, Vol. 21. San Diego: Academic Press.