Get instant replay out of making judgement calls – Football Zebras
Be the Referee: Instant Replay
College football video replay review frustrating, inconsistent
On Further Review, the NFL's Instant Replay is Finally Instant
NFL Instant Replay (CD-i) - The Cutting Room Floor
History of Instant Replay
History of Instant Replay
Detroit Lions submit 3 rule change proposals to NFL
Upon Further Review: A Brief History of Instant Replay
Instant replay on table for NFL owners - The Boston Globe
NFL instant-replay system for pass interference will be reviewed - The Washington Post