| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Protecting the Gulf's Marine Ecosystems from Pollution | 978-3-7643-7946-9 (3-7643-7946-4) | 2007 | Abdulaziz H. Abuzinada · Friedhelm Krupp · Benno Böer · Thabit Zahran Al Abdessalaam | |
| Sabkha Ecosystems: Volume II: West and Central Asia | 978-1-4020-5071-8 (1-4020-5071-2) | 2006 | M. Ajmal Khan · Benno Böer · German S. Kust |
H B · H. Barth · H.J. · Hans B. · Hans Barth · Hans J. Barth · Hans-Jörg · J.B. · J Barth