A. CHIRIAC, G. FLOREA, M. NEACSU, I. SARACIN, and O. PANDA, “Structural Aspects of Antifriction Properties Brass”, The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, vol. 33, no. 3, pp. 66-70, Sep. 2010.