WISCHERS, G. Standardization of cement. Notes and explanations on the revision of the German cement standard DIN 1164, June 1970. Materiales de Construcción, [S. l.], v. 22, n. 146, p. 67–83, 1972. DOI: 10.3989/mc.1972.v22.i146.1430. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1430. Acesso em: 4 may. 2024.