The NFL has a Jerry Jones problem - The Boston Globe
NFL owners vote to expand rules surrounding instant replay
NFL Owners Vote To Expand Rules Surrounding Instant Replay
NFL Rule Change: Officials Now Able To Replay Failed Fourth Down Attempts
History of Instant Replay
Replay review in gridiron football - Wikipedia
NFL Replay Officials NFL Football Operations
NFL owners approve centralized instant replay system
Patriots propose changing extra point distance from 20 yards to 43 yards – New York Daily News