| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Crystallography | 978-1-55245-119-9 (1-55245-119-4) | 2003 |
| Eunoia: The Upgraded Edition | 978-1-55245-225-7 (1-55245-225-5) | 2009 |
C B · C. K. · Christian B. Keller · Christian Bö K. · Christian Bruno von Klobuczynski · Christian Freksa,Bernd Krieg-Br Ckner Markus Knauff