A. Salimi, M. Zadshakoyan, A. í–zdemir, e E. Seidi, “<b>Designing an intelligent system to predict drill wear by using of motor current and fuzzy logic method</b> - doi: 10.4025/actascitechnol.v35i4.15647”, Acta Sci. Technol., vol. 35, nº 4, p. 669–676, maio 2013.