@misc{indiciae00c2fefbac7d, title = {Semivariogram modeling by weighted least squares}, author = {X. Jian and Ricardo A. Olea and Y.-S. Yu}, year = {1996}, doi = {10.1016/0098-3004(95)00095-x}, url = {https://pubs.usgs.gov/publication/70018459}, note = {Source identifier: 70018459} }