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| | NanoPubls |
 | | McKendree, R. Freitas, A. Globus, M. Levit, C. Sherrill, M. Li, R. Merkle, “Challenges of Molecular Nanotechnology for Space Exploration,” AIAA-2005-6814, AIAA Space 2005 Conference, Long Beach, CA, 30-31 August 2005. |
 | | Ralph C. Merkle, Robert A. Freitas Jr., “Speeding the development of molecular nanotechnology,” Foresight Institute RandD proposal, December 2003. |
 | | Titus Schleyer, Robert A. Freitas Jr., “Nanotechnologie in dentistry,” 47. |
| www.rfreitas.com /NanoPubls.htm (2892 words) |
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