An ultrasonic sensor for monitoring wheel flange/rail gauge corner contact
An ultrasonic sensor for monitoring wheel flange/rail gauge corner contact
A solar electric propulsion mission for lunar power beaming
A solar electric propulsion mission for lunar power beaming
A solar electric propulsion mission for lunar power beaming
System for Emergency Vehicle Communication and Computer Control
JRC2012-74054 Implementing New Automated Ticketing Technology at Virginia Railway Express
Economics of coal log pipeline for transporting coal