1. BBC (2000): UK Internet access rises.
http://news.bbc.co.uk/hi/english/business/newsid_1 077000/1077747.stm
.
2. Dunlop, C. and Kling, R. (1991): Computerization and Controversy: Value Conflicts and Social Choices, Academic Press, San Diego.
3. Ling, R. (2000): Norwegian teens, mobile telephony and text messages, Report No. 2-2000, Technical Newsletter from Telenor Research and Development, Oslo.
4. Ling, R. and Yttri, B. (1999): Nobody sits at home and waits for the telephone to ring: Micro and hyper-coordination through the use of the mobile phone. Report No. 30/99, Telenor Research and Development, Oslo.
5. Michael O’Mara Books (2000): LUVTLK: ltle bk of luv txt. Michael O’Mara Books Ltd., London.