B.S. · P S · Peter B · Peter Seel
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Digital Universe: The Global Telecommunication Revolution | 978-1-119-63094-4 (1-119-63094-0) | 2021 |
| Digital Universe: The Global Telecommunication Revolution | 978-1-4051-5330-0 (1-4051-5330-X) | 2012 |