Seidel, Enio Júnior, and Marcelo Silva de Oliveira. “Proposal of a Generalization for Exponential and Gaussian Semivariogram Models”. Semina: Ciências Exatas e Tecnológicas 34, no. 1 (September 26, 2013): 125–132. Accessed July 17, 2024. https://ojs.uel.br/revistas/uel/index.php/semexatas/article/view/14114.