@article{barbosa_appel_seidel_oliveira_2017,  title={PROPOSAL OF THE SPATIAL DEPENDENCE EVALUATION FROM THE POWER SEMIVARIOGRAM MODEL},  volume={23},  ISSN={1982-2170},  url={https://doi.org/10.1590/S1982-21702017000200031},  DOI={10.1590/S1982-21702017000200031},  number={3},  journal={Boletim de Ciências Geodésicas},  publisher={Universidade Federal do Paraná},  author={Barbosa, Ismael Canabarro and Appel, Edemar and Seidel, Enio Júnior and Oliveira, Marcelo Silva de},  year={2017},  month={Jul},  pages={461–475} }