Instant Replay: 9780451146304: Jerry Kramer, Dick Schaap: Books
The 5 O'Clock Club: How instant replay is killing the NFL - Hogs Haven
Upon Further Review: Instant Replay Should be Banned from Sports, by Connor Groel, Top Level Sports
The Invention of Instant Replay Lemelson Center for the Study of Invention and Innovation
On Further Review, the NFL's Instant Replay is Finally Instant
History of Instant Replay
The Invention of Instant Replay Lemelson Center for the Study of Invention and Innovation
The History of Instant Replay in the NFL – Benefit or Detriment??
Football meets tech: A brief history of technology on the gridiron - CNET