Mon, 14 Feb 2011 11:12:01 +0000 urbanc added definition of DERIV and delta
Mon, 14 Feb 2011 09:38:18 +0000 urbanc updated paper
Mon, 14 Feb 2011 07:42:16 +0000 urbanc updated
Sun, 13 Feb 2011 10:36:53 +0000 zhang More into the second direction
(0) -100 -30 -10 -4 +4 +10 +30 +100 tip