Rocha, Marcelo Monteiro da, Jorge Kazuo Yamamoto, and Helano Regis da Nóbrega Fonteles. “ Ordinary Co-Kriging Versus Kriging With External Drift Correction: Applications to the Evaluation of the Potentiometric Level of a Free Aquifer ”. Geologia USP. Série Científica 9, no. 1 (January 1, 2009): 73–84. Accessed May 17, 2024. https://revistas.usp.br/guspsc/article/view/27457.