How Head-up Displays Work
Head-up displays are much more than just a novelty or a new way of viewing navigation directions. In fact, HUDs could very well be one of the best safety systems your car has ever seen.
Effects of using head-up display in automobile context on attention demand and driving performance - ScienceDirect
Heads-up display: Everything you need to know about it
Whoops, no head-up display!
PDF] Optical design of head-up displays using CAD-compatible freeform surfaces
How does a car heads-up display work? - Quora
The Future of Holographic Head-Up Display
Navdy wants your car to resemble a fighter jet
Head-up display wins top navigation prize in Munich
Head-up Display (HUD)
How It Works: Head-Up Display - FLYING Magazine
What Is A Head-Up Display? HUD Apps On Your Smartphone