The NFL has an instant replay camera problem
History of Instant Replay
The NFL has an instant replay camera problem
NFL instant replay review changes expected to speed up process - Sports Illustrated
March 11, 1986: NFL Adopts Instant Replay
Jim Henneman: Indisputable Evidence That Instant Replay Isn't Going Anywhere - PressBox
Dez Bryant catch: Instant replay and the death of instant gratification in the NFL.
NFL will get help from an officiating command center this season - Los Angeles Times
Replay review in gridiron football - Wikipedia
Don Banks: Recalling how NFL adopted, refined instant replay - Sports Illustrated
Instant replay: How the NFL left soccer in the dark