Alternatives for Ground-Based, Large-Aperture Optical Space Surveillance Systems
An Overview of Wide-Field-of-View Optical Designs for Survey Telescopes
Large-Aperture, Three-Mirror Telescopes for Near-Earth
The Unique Optical Design of the NESSI Survey Telescope
Power supply of passenger coaches - history, present and future
A Large Spectroscopic Telescope for Space Object Identification
Verkehrsdatenerfassung - Neuere Verfahren und Qualitätssicherung in der Verkehrsdatenerfassung (VDE)