| Titel | ISBN-13 (ISBN-10) | Erschei- nungsjahr | andere Autoren |
|---|---|---|---|
| Economic Theory of Natural Resources | 978-3-7908-0274-0 (3-7908-0274-3) | 1982 | XY. Eichhorn · XY. Henn · XY. Neumann |
| Theory and Applications of Economic Indices: Proceedings of an International Symposium Held at the University of Karlsruhe April_June 1976 | 978-3-7908-0191-0 (3-7908-0191-7) | 1978 | XY. Eichhorn · XY. Henn · XY. Opitz |