Rodríguez Rey, Ángel, Montoto, M., Calleja, L., & Ruiz de Argandoña, V. G. (1988). Proposed textural indexes to quantify the distribution of the portland cement clinker phases. Materiales De Construcción, 38(211), 19–23. https://doi.org/10.3989/mc.1988.v38.i211.828