ERSOV, L. D. The Use of Calcium Phosphate in Rapid-hardening Portland Cement. Materiales de Construcción, [S. l.], v. 7, n. 079, p. 9–13, 1957. DOI: 10.3989/mc.1957.v07.i079.2142. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2142. Acesso em: 29 apr. 2024.