K. MATSUZAWA; T. MATSUMOTO. Extended Use of Spring Hammer Rapid Load Testing. Geotechnical Engineering Journal of the SEAGS & AGSSEA , Bangkok, Thailand, v. 42, n. 2, p. 29–42, 2011. DOI: 10.14456/seagj.2011.20. Disponível em: https://ph01.tci-thaijo.org/index.php/SEAGS_AGSSEA_Journal/article/view/259633. Acesso em: 16 sep. 2026.