| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Fragments of history | 978-0-9634906-4-3 (0-9634906-4-8) | 2000 | K. C Gass |
| Procedure Compliance Improvement | 978-0-9634906-7-4 (0-9634906-7-2) | 2002 | |
C. G. · K. C. · K. C Gass · Kenneth C. · Kenneth Gass