@article{article159d93d5,
title   = {Friction coefficient and abrasive wear modes in ball-cratering tests conducted at constant normal force and constantpressure-preliminary results},
author = {Cozza, Ronaldo Câmara and Tanaka, Deniol Katsuki and Souza, Roberto Martins de},
year = {2009},
doi = {10.1016/j.wear.2009.01.055},
journal   = {Wear}
}