@ARTICLE{f.alonso2017detectingand, TITLE = { Detecting and classifying human touches in a social robot through acoustic sensing and machine learning}, JOURNAL = {MDPI Sensors }, VOLUME = {17}, NUMBER = {5}, PAGES = {1 - 21}, YEAR = {2017}, AUTHOR = {F. Alonso, J.J. Gamboa-Montero, J.C. Castillo, A. Castro-Gonzalez, M.A. Salichs} }