October 11, 2017 Outdoor-to-indoor UAV: GPS/optical/inertial integration for 3D navigation By Evan T. Dill, Steven D. Young, and Maarten Uijt de Haag
March 8, 2017 Sensor role reversal: How lidar can replace GNSS for navigation By Haowei Xu, Baowang Lian, Charles K. Toth, and Dorota A. Brzezinska