Bicycle Helmets for the 2020 Season
Virginia Tech Helmet Ratings
Comparison of Laboratory and On-Field Performance of American Football Helmets
The NFL's Quest for a Better Football Helmet - Sports Illustrated
Virginia Tech Helmet Ratings
Series Snapshot: Virginia Tech vs. Georgia Tech - Virginia Tech Athletics
The Quest for a Better Football Helmet
Virginia Tech lab releases first safety ratings for youth football helmets
Virginia Tech players have worn many different helmets in Frank Beamer era