52:12 duration 52 minutes 12 seconds
BB_2007_02_22
01:22:44 duration 1 hour 22 minutes
ISYE_6739_Lecture_15
01:01:47 duration 1 hour 1 minute
ISYE_6739_lecture_09
59:42 duration 59 minutes 42 seconds
ISYE_6739_Lecture_11
01:22:05 duration 1 hour 22 minutes
ISYE_6739_lecture_06