Vasquez, M., Kessel, L. e O’Neill, H. (2011) “APPLICATION OF PASSIVE SOIL GAS SAMPLING TO DETERMINE THE PRESENCE OF PETROLEUM HYDROCARBONS IN GAS STATION SUBSURFACE: TWO CASES IN THE CENTRAL VALLEY OF COSTA RICA”, Águas Subterrâneas. Disponível em: https://aguassubterraneas.emnuvens.com.br/asubterraneas/article/view/28112 (Acessado: 7 fevereiro 2025).