Fri, 10 Feb 2012 21:01:03 +0000 urbanc more on paper; modified schs functions; it is still compatible with the old definition
Fri, 10 Feb 2012 11:30:47 +0000 urbanc more on paper
Thu, 09 Feb 2012 16:34:18 +0000 urbanc attempt to fix problem by Xingyuan
(0) -100 -30 -10 -3 +3 +10 +30 +100 tip