Thu, 13 Jun 2013 22:53:49 +0800 add paper pdf
chunhan [Thu, 13 Jun 2013 22:53:49 +0800] rev 9
add paper pdf
Thu, 13 Jun 2013 22:51:03 +0800 fixed typos
chunhan [Thu, 13 Jun 2013 22:51:03 +0800] rev 8
fixed typos
Thu, 13 Jun 2013 22:15:32 +0800 merge
chunhan [Thu, 13 Jun 2013 22:15:32 +0800] rev 7
merge
(0) -3 +3 +10 tip