Houston Texans have TD taken away after instant replay review cites unfamiliar NFL rule
Upon Further Review: The NFL's Replay Review — Review Party Dot Com
NFL rule changes: Modified instant replay, more positions allowed to wear single-digit jerseys - The Washington Post
Replay review in gridiron football - Wikipedia
History of Instant Replay
NFL's instant replay officials have new powers, but owners weren't interested in other major rules changes - The Boston Globe
No momentum for big instant replay rule changes – Football Zebras
Jim Henneman: Indisputable Evidence That Instant Replay Isn't Going Anywhere - PressBox
NFL hires 1st female instant replay booth assistant
NFL makes pass-interference calls (and noncalls) reviewable - Los Angeles Times