1. NRC, New Frontiers in the Solar System, an integrated exploration strategy, Technical Report, Space Studies Board, National Research Council, Washington, DC, 2003.
2. NASA—SSE Roadmap team, solar system exploration—Solar System Exploration Roadmap for NASA's Science Mission Directorate, Report: JPL-D-35618 (cleared for external release), NASA Science Missions Directorate, Planetary Science Division, Washington, DC, 2006.
3. H.A. Thronson, et al., Ares V and Future Very Large Launch Vehicles to Enable Major Astronomical Missions, NASA Technical Report Number IAC-08-A5.3.6, 2008.
4. NASA, Ares V Cargo Launch Vehicle, National Aeronautics and Space Administration, NASA Home>Mission Sections>Constellation Program>Ares Launch Vehicles, Website: 〈http://www.nasa.gov/mission_pages/constellation/Ares/AresV.html〉, Viewed: November 14, 2007.
5. R. Gershman, Conceptual design of a Europa lander mission, Jet Propulsion Laboratory, California Institute of Technology, 1998.