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Columbia University ...8 min 51 sec01 Feb 2012 -
Columbia University ...12 min 23 sec01 Feb 2012 -
Columbia University ...3 min 43 sec01 Feb 2012 -
Columbia University ...3 min 35 sec01 Feb 2012 -
Columbia University ...11 min 1 sec01 Feb 2012 -
Columbia University ...4 min 22 sec01 Feb 2012 -
Columbia University ...5 min 56 sec01 Feb 2012 -
Columbia University ...3 min 7 sec01 Feb 2012 -
Columbia University ...2 min 9 sec01 Feb 2012 -
Columbia University ...19 min01 Feb 2012 -
Columbia University ...5 min 26 sec01 Feb 2012 -
Columbia University ...5 min 57 sec01 Feb 2012 -
Columbia University ...3 min 57 sec01 Feb 2012 -
Columbia University ...24 min 53 sec01 Feb 2012