Best, Melvyn, Gordon Guy, George Spence, Stan Dosso, y Kevin Telmer. «ELECTRICAL ANISOTROPY AND BEDROCK FRACTURING: IS THERE A RELATIONSHIP BETWEEN THEM?». Águas Subterrâneas (septiembre 11, 2000). Accedido abril 20, 2025. https://aguassubterraneas.emnuvens.com.br/asubterraneas/article/view/23926.