| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| GSM, GPRS and EDGE Performance: Evolution Towards 3G/UMTS | 978-0-470-86694-8 (0-470-86694-2) | 2003 | Javier Romero · Juan Melero |
| GSM, GPRS and EDGE Performance: Evolution Towards 3G/UMTS | 978-0-470-84457-1 (0-470-84457-4) | 2002 | Javier Romero · Juan Melero |