| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Perpetual Contact: Mobile Communication, Private Talk, Public Performance | Paperback | 978-0-521-00266-0 (0-521-00266-4) | 2002 | James E. Katz |
| Perpetual Contact: Mobile Communication, Private Talk, Public Performance | Hardcover | 978-0-521-80771-5 (0-521-80771-9) | 2002 | " |