Incoming Resources
- Scientia Verlag, Aalen, 1981
- Scientia Verlag, Aalen, Ger, 1979
- Scientia Verlag, Aalen, 1973
- Scientia Verlag, Aalen, 1979
- Scientia Verlag, Aalen, 1980
- Scientia Verlag, Aalen, 1975
- Scientia Verlag, Aalen, 1978
- Scientia Verlag, Aalen, 1977