Cakić, Nikola, Milica Cakić, Srđan Milosavljević, and Aleksandar Žigić. 2018. “New Method for Human Activity Recognition Based on IMU Sensors and Digital Speech Processing Theory”. Proceedings, Electrical Engineering Institute "Nikola Tesla" 28 (28): 135-43. https://doi.org/10.5937/zeint28-19587.