Caspari, Daniel, Mircea Strutu, Lucas Riedhammer, and Uwe Grossmann. “SENSOR BASED ALGORITHMS FOR DEAD RECKONING: A COMPARISON OF TWO APPROACHES FOR SMARTPHONES”. International Journal of Computing 13, no. 1 (August 1, 2014): 50-60. Accessed May 17, 2024. https://www.computingonline.net/computing/article/view/621.