TY - RPRT TI - Assessment experimental semivariogram uncertainty in the presence of a polynomial drift AU - Erten Oktay AU - Eulogio Pardo-Iguzquiza AU - Ricardo A. Olea PY - 2019 DO - 10.1007/s11053-019-09496-3 UR - https://pubs.usgs.gov/publication/70209712 ID - 70209712 ER -