1.
Walz K. Relation between the water-cement ratio, the normalised strength of concrete (DIN 1164, June 1970) and concrete strength under compression. Mater. constr. [Internet]. 1971Sep.30 [cited 2024May5];21(143):45-5. Available from: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1502