Coefficients of static and dynamic friction of ceramic floor tiles: proposal of new method of surface roughness determinationAline Demarch, Elcio Angioletto, Angela W. Vieira, Andreza Dal Molin, Oscar Rubem K. Montedo and Elidio AngiolettoInt. J. Metrol. Qual. Eng., 10 (2019) 4DOI: https://doi.org/10.1051/ijmqe/2019002