Holmgren Greve, Arturo. “Analysis of Chilean Standard for Concrete Cores Nch 1171. Of 2001”. Revista Ingeniería de Construcción 17, no. 3 (December 31, 2002): 171–178. Accessed November 15, 2024. https://horizonteenfermeria.uc.cl/index.php/ric/article/view/17173.