| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Federal Republic of Germany and the German Democratic Republic in International Relations: Series I: From Confrontation to Cooperation. Series II: From Cooperation to Unification. | 978-O-379-2O329-5 (O-379-2O329-4) | 1979 | G'Unther Doeker-Mach |