1.
Calleja J, TriviƱo F, Bacle B. Heterogeneities in the chemical composition of concrete. Mater. constr. [Internet]. 1967Sep.30 [cited 2025May2];17(127):33-51. Available from: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1653