Mingoti, Sueli Aparecida, and Otaviano Francisco Neves. “Using Geostatistics to Estimate the Variability of Autocorrelated Processes”. Brazilian Journal of Operations & Production Management 2, no. 1 (February 8, 2010): 39–56. Accessed April 30, 2025. https://www.bjopm.org.br/bjopm/article/view/BJV2N1_2005_P3.