NFL review system puts ESPN, Fox, CBS and NBC in tough spot - Sports Illustrated
On Further Review, the NFL's Instant Replay is Finally Instant
The 5 O'Clock Club: How instant replay is killing the NFL - Hogs Haven
Report: League installing real-time fiber optics for replay review - NBC Sports
Hurley: NFL Trying To Fix Instant Replay Problem By Not Addressing That Problem At All - CBS Boston
Instant Regret: How the Instant Replay has Ruined the NFL — Pro Sports Fans
Art McNally GameDay Central
Tech: A closer look at the NFL's instant replay camera work
Upon further review, NFL referees under increased scrutiny
NFL will get help from an officiating command center this season - Los Angeles Times
March 11, 1986: NFL Adopts Instant Replay