TY - RPRT TI - How Usability Testing Resulted in Improvements to Ground Collision Software for General Aviation: Improved Ground Collision Avoidance System (IGCAS) AU - Lamarr, Michael AU - Chinske, Chris AU - Williams, Ethan AU - Law, Cameron AU - Skoog, Mark AU - Sorokowski, Paul PY - 2016 UR - https://ntrs.nasa.gov/citations/20160012549 ID - 20160012549 ER -