Rodríguez-Spitia, A., Agudelo-Ospina, G., Galindo, J., Correa-Ballesteros, F. and Alba de Sánchez, N. 2017. Effect of repressing on the mechanical properties of the valve guides manufactured by powder metallurgy. Revista de Metalurgia. 53, 1 (Mar. 2017), e087. DOI:https://doi.org/10.3989/revmetalm.087.