The Invention of Instant Replay Lemelson Center for the Study of Invention and Innovation
Will NFL finally fix the catch rule? - NBC Sports
How instant replay is ruining professional sports, one coach's challenge at a time
Upon further review, NFL referees under increased scrutiny
Saints-Rams referee controversy: NFL will consider rule changes to make pass interference calls subject to instant replay review - Niners Nation
Let's Go to the Tape: How Other Sports Handle Video Review - The New York Times
The NFL has an instant replay camera problem
Hurley: NFL Trying To Fix Instant Replay Problem By Not Addressing That Problem At All - CBS Boston
Not-so-instant replay: Eagles need TD oddy reviewed twice
NFL Lockout: the Debt Ceiling Fight Is Like the NFL Lockout