Uncertainty of slip measurements in a cutting system of converting machinery for diapers productionF. D’Aponte, G. D’Emilia, S. Lupinetti, E. Natale and P. PasqualoniInt. J. Metrol. Qual. Eng., 6 3 (2015) 304DOI: https://doi.org/10.1051/ijmqe/2015017