Brevik, E. C., Soil mapping, classification, and pedologic modeling: History and future directions.

Brevik, E. C., Calzolari, C., Miller, B. A., Pereira, P., Kabala, C., Baumgarten, A., and Jordán, A. 2016: Soil mapping, classification, and pedologic modeling: History and future directions. Geoderma. 264: 256-274. doi: 10.1016/j.geoderma.2015.05.017.