K F Riegel · K.R. · Klaus F. · Klaus Riegel
| title | ISBN-13 (ISBN-10) | year of publica- tion | |
|---|---|---|---|
| Foundations of Dialectical Psychology | 978-0-12-588080-0 (0-12-588080-4) | 1979 | |
| Intelligence: Alternative Views of a Paradigm | 978-3-8055-1710-2 (3-8055-1710-6) | 1974 |