B. Mendonça and  D. Sandwell,  Satellite Interferometric Investigations of Subsidence Events Associated with Groundwater Extraction in Sao Paulo, Brazil.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 110(2). 127 - 133
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10003598.