On Further Review, the NFL's Instant Replay is Finally Instant
NFL makes major change to instant replay by making called and
NFL rule changes: Modified instant replay, more positions allowed
History of Instant Replay
Instant Replay: The Green Bay Diary of Jerry Kramer: Kramer, Jerry
NFL Owners Vote to Centralize Instant Replay in New York Command
A Step-by-Step Look at the NFL's Photography Workflow
Brutal instant replay shows how insufferable sports have become
American football rules - Wikipedia
How instant replay impacts the psyche and performance of officials
INSTANT REPLAY in MADDEN OVERDRIVE?! + MASTER LEAKED!
How instant replay impacts the psyche and performance of officials
Instant replay on table for NFL owners - The Boston Globe
Creating the NFL Schedule