@article{Editorial_1959, title={Sand for concrete}, volume={9}, url={https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1954}, DOI={10.3989/mc.1959.v09.i094.1954}, abstractNote={Not available}, number={094}, journal={Materiales de Construcción}, author={Editorial, Equipo}, year={1959}, month={Aug.}, pages={12–16} }