Hüsers, N., J. Großmann, H. Weiß, M. Schubert, P. Schabbel, M. Pede, y M. du Puits. «INNOVATIVE SITE INVESTIGATION TOOL FOR NAPL CONTAMINATED AREAS IN BRAZIL». Águas Subterrâneas, enero de 2011, https://aguassubterraneas.abas.org/asubterraneas/article/view/28083.