Alcaide, J.S., Alcocel, E.G., Vilaplana, E., Cazorla, D. and Garcés, P. 2007. Mechanical characterization of Portland cement mortars containing petroleum or coal tar. Materiales de Construcción. 57, 287 (Aug. 2007), 53–62. DOI:https://doi.org/10.3989/mc.2007.v57.i287.56.