| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Advanced Technologies for Air Traffic Flow Management: Proceedings of an International Seminar Organized by Deutsche Forschungsanstalt Fur Luft- Und ... in Control and Information Sciences, 198) | 978-0-387-19895-8 (0-387-19895-4) | 1994 |
| Air Traffic and the Environment: Background, Tendencies, and Potential Global Atmospheric Effects: Proceedings of a Dlr International Colloquium Bon | 978-0-387-53352-0 (0-387-53352-4) | 1991 |