55:55 duration 55 minutes 55 seconds
0636-SmithgallLeslie
01:10:19 duration 1 hour 10 minutes
ISYE_6739_lecture_22
01:32:03 duration 1 hour 32 minutes
ISYE_6739_lecture_18
01:33:46 duration 1 hour 33 minutes
ISYE_6739_Lecture_10