Candela, N., López, A., Ruano, O. A., & Jiménez, J. A. (2005). Wear behavior of powder metallurgy tool steel M3/2 reinforced with niobium carbide by "pin-on-disk" test. Revista De Metalurgia, 41(5), 351–356. https://doi.org/10.3989/revmetalm.2005.v41.i5.224