1. Adler, R. P. (2001). Older adults and computers: Report of a national survey [On-line]. Available:http://www.seniornet.org/php/default.php?PageID=5476
2. Letters by phone or speech by other means: The linguistics of email;Baron;Language and Communication,1998
3. The emergence of community in computer-mediated communication;Baym,1995
4. The emergence of online community;Baym,1998
5. The context and content of social identity threat;Branscombe,1999