JUSTS, Janis; SHAKHMENKO, Genadij; BAJARE, Diana; TOROPOVS, Nikolajs. Comparison of Pozzolanic Additives for Normal and High Strength Concrete. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 2, p. 79–84, 2015. DOI: 10.17770/etr2011vol2.979. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/979.. Acesso em: 6 may. 2024.