Multi-methods Research to Examine External HMI for Highly Automated Vehicles. - Melissa Cefkin; Jingyi Zhang; Erik Stayton; Erik Vinkhuyzen (HCI (31), 2019)

It's Time to Rethink Levels of Automation for Self-Driving Vehicles [Opinion]. - Erik Stayton; Jack Stilgoe (IEEE Technol. Soc. Mag., 2020)