Testing the assumption of linear dependence between the rolling friction torque and normal forceStelian Alaci, Luminita Irimescu, Marian-Adrian Popescu, Daniel Fodorcan, Dumitru Amarandei and Florina-Carmen CiorneiMATEC Web Conf., 112 (2017) 07002DOI: https://doi.org/10.1051/matecconf/201711207002