1. Balloons for controlled roving/landing on Mars;Jones;Acta Astronautica,1999
2. E.C. Sittler, M. Acuna, M.J. Burchell, A. Coates, W. Farrell, M. Flasar, B.E. Goldstein, S. Gorevan, R.E. Hartle, W.T.K. Johnson, D.R. Kojiro, H. Niemann, E.N. Nilsen, J. Nuth, D. Smith, J.C. Zarnecki, Titan orbiter aerorover mission, Forum on Innovative Approaches to Outer Planetary Exploration 2001–2020, LPI Contribution Number 1084, Houston, Texas, abstract 4096, 2001.
3. Bugs on Mars;Weiss;Science News,2002
4. D.T. Britt, The Mars Frisbee: a small, lightweight deployment mechanism for in-situ instruments on the proposed Mars scout lander, Concepts and Approaches for Mars Exploration, LPI Contribution No. 1062, Houston, Texas, abstract 6097, 2000.
5. J.W. Head, The 1988–89 Phobos mission, The NASA Mars Conference, San Diego, California, AAS Paper 86-163 (1988) 215–240.