References

Brus, D. J. 2019. “Sampling for Digital Soil Mapping: A Tutorial Supported by R Scripts.” Geoderma 338 (March): 464–80. https://doi.org/10.1016/j.geoderma.2018.07.036.

Dalenius, T., and J. L. Hodges. 1959. “Minimum Variance Stratification.” Journal of the American Statistical Association 54 (285): 88–101. https://doi.org/10.2307/2282141.

Gruijter, J. de, D. J. Brus, M. F. P. Bierkens, and M. Knotters. 2006. Sampling for Natural Resource Monitoring. Springer-Verlag.

Wadoux, Alexandre M. J. C., Benjamin P. Marchant, and Richard M. Lark. 2019. “Efficient Sampling for Geostatistical Surveys.” European Journal of Soil Science, May. https://doi.org/10.1111/ejss.12797.

Walvoort, D. J. J., D. J. Brus, and J. J. de Gruijter. 2010. “An R Package for Spatial Coverage Sampling and Random Sampling from Compact Geographical Strata by k-Means.” Computers & Geosciences 36 (10): 1261–67.