- Investigation of the Attitude Error Vector Reference Frame in the INS EKF
- Malak Samaan, Stephen R. Steffes and Stephan Theil, "Star Tracker Real-Time Hardware in the Loop Testing Using Optical Star Simulator", 21st AAS/AIAA Space Flight Mechanics Meeting, New Orleans, Louisiana, 2011, AAS 11-260
- Hybrid Navigation System for Spaceplanes, Launch and Re-Entry Vehicles
- Modeling Approach for Analysis and Optimization of a Long-Duration Mars Airplane
- Magel: An Advanced Partially Reusable Launch Architecture Concept
- Flight System Options for a Long-Duration Mars Airplane
- Solar Electric Propulsion Module Concept for the Bifrost Architecture
News Articles
- DLR Institute Spirent Case Study
- dSPACE Magazine article in English and German