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a NASA Institute for Advanced Concepts, Annual Report (2nd; 1999-2000), Atlanta, Ga., 2000.
b NASA Institute for Advanced Concepts Annual Report (3rd; 2000-2001), Atlanta, Ga., 2001.
c Ibid.
d NASA Institute for Advanced Concepts, 5th Annual Report (2002-2003), Atlanta, Ga., 2003.
e NASA Institute for Advanced Concepts, Annual Report (6th; 2003-2004), Atlanta, Ga., 2004.
f Ibid, and NASA Institute for Advanced Concepts, 7th Annual Report (2004-2005), Atlanta, Ga., 2005.
g NASA Institute for Advanced Concepts, 7th Annual Report (2004-2005), Atlanta, Ga., 2005.
h NASA Institute for Advanced Concepts, 9th Annual and Final Report (2006-2007) Atlanta, Ga., 2007.
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