1. Associação Brasileira de Normas Técnicas ABNT (2012). “Soil-cement—durability test by wetting and drying—test method.” NBR 1554, Rio do Janeiro, Brazil.
2. Associação Brasileira de Normas Técnicas ABNT (2016). "Soil-compaction testing." NBR 7182, Rio de Janeiro, Brazil (in Portuguese).
3. Associação Brasileira de Normas Técnicas ABNT (2017). "Portland cement and other powdered materials - Determination of specific mass." NBR 16605–17, Rio de Janeiro, Brazil (in Portuguese).
4. Associação Brasileira de Normas Técnicas ABNT (2011). "Mortar and concrete—Test method for splitting tensile strength of cylindrical specimens." NBR 7222, Rio de Janeiro, Brazil (in Portuguese).
5. Associação Brasileira de Normas Técnicas ABNT (2007). "Mortar and concrete—Test method for compressive strength of cylindrical specimens." NBR 5739, Rio de Janeiro, Brazil (in Portuguese).