@article{naizer_rodrigues_pedreira junior_pitombo_2019,  title={G-SIVAR: A GLOBAL SPATIAL INDICATOR BASED ON VARIOGRAM},  volume={25},  ISSN={1982-2170},  url={https://doi.org/10.1590/s1982-21702019000400022},  DOI={10.1590/s1982-21702019000400022},  number={4},  journal={Boletim de Ciências Geodésicas},  publisher={Universidade Federal do Paraná},  author={Naizer, Cláudia Cristina Baptista Ramos and Rodrigues, David Souza and Pedreira Junior, Jorge Ubirajara and Pitombo, Cira Souza},  year={2019},  pages={e2019022} }