Fernández Luco, L., Dorrego, F., & De Luxán, M. P. (2003). Influence of clinker grinding-aids on the intrinsic characteristics of cements and on the behaviour of mortars. Materiales De Construcción, 53(271-272), 81–90. https://doi.org/10.3989/mc.2003.v53.i271-272.292