Sánchez Figueredo, R. P., Domínguez, A. B. G., Rodríguez, R. P., & Oviedo Fierro, F. H. (2016). Increase of the General Technological Yieldin the Securing of Gray Iron with Graphite Spheroidal for the Metódo of Spilled Vibratory. International Journal of Science and Engineering Invention, 2(03), 102 to 109. https://doi.org/10.23958/ijsei/vol02-i03/02