1. E.K. Jessberger, et al., ENEAS—exploration of near-Earth asteroids with a sailcraft, Technical report, August 2000, Proposal for a Small Satellite Mission within the Space Sciences Program of DLR.
2. W. Seboldt, et al., Ground-based demonstration of solar sail technology, Rio de Janeiro, Brazil, 2000, 51st International Astronautical Congress, IAF-00-S.6.11.
3. M. Leipold, et al., Solar sail technology development and demonstration, Laurel, USA, 2000, Fourth IAA International Conference on Low-Cost Planetary Missions, IAA-L-0707.
4. M. Leipold, et al., Solar sail technology for advanced space science missions, Toulouse, France, 2001, 52nd International Astronautical Congress, IAF-01-S.6.10.
5. B. Dachwald, Interplanetary mission analysis for non-perfectly reflecting solar sailcraft using evolutionary neurocontrol, Big Sky, USA, August 2003, AAS/AIAA Astrodynamics Specialist Conference, AAS 03-579.