ROOT
2016-01-06 Christian Urban renamed files
2015-12-15 Christian Urban removed some fixes about which Isabelle complains
2015-09-09 Christian Urban updated for Isabelle 2015
2014-06-12 Christian Urban a few additions
2014-06-02 Christian Urban updated
2014-05-20 Christian Urban updated ROOT file
2014-02-25 Christian Urban added
2013-06-20 Christian Urban added nasa talk
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