Sertucha, J., Suárez, R., Legazpi, J. and Gacetabeitia, P. 2007. Influence of moulding conditions and mould characteristics on the contraction defects appearance in ductile iron castings. Revista de Metalurgia. 43, 3 (Jun. 2007), 188–195. DOI:https://doi.org/10.3989/revmetalm.2007.v43.i3.64.