took them awhile to post PDF documents
http://www.lpi.usra.edu/opag/feb2010/presentations/index.html
http://www.lpi.usra.edu/opag/feb2010/presentations/hammelDecadal.pdf
http://www.lpi.usra.edu/opag/feb2010/presentations/spencerDecadal.pdf
http://www.lpi.usra.edu/opag/feb2010/presentations/LorenzTitanExploration.pdf
and more...........................
EDIT
some interesting links from OPAG documents
http://sites.nationalacademies.org/SSB/
http://sites.nationalacademies.org/SSB/CurrentProjects/
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