QuickCal: Assisted Calibration for Crystal-Free Micro-Motes. Tengfei Chang, Thomas Watteyne, Filip Maksimovic, Brad Wheeler, David Burnett, Titan Yuan, Xavi Vilajosana, Kris Pister. IEEE Internet of Things Journal, DOI 10.1109/JIOT.2020.3015725, August 2020. [pdf]