Best, M., G. Guy, G. Spence, S. Dosso, y K. Telmer. «ELECTRICAL ANISOTROPY AND BEDROCK FRACTURING: IS THERE A RELATIONSHIP BETWEEN THEM?». Águas Subterrâneas, septiembre de 2000, https://aguassubterraneas.abas.org/asubterraneas/article/view/23926.