[1]
G. Balbinot, C. P. Schuch, M. A. Zaro, and M. A. Vaz, “Low-cost piezoelectric footswitch system for measuring temporal parameters during walking”, IJET, vol. 3, no. 1, pp. 75–81, Feb. 2014, doi: 10.14419/ijet.v3i1.1733.