1. Soil Science Division Staff: Soil Survey Manual (USDA, Washington 2018)
2. D. Hillel: Environmental Soil Physics: Fundamentals, Applications, and Environmental Considerations (Academic Press, Waltham 1998)
3. D.A. De Vries: Thermal properties of soils. In: Physics of Plant Environment, ed. by W.R. Van Wijk (North-Holland Publishing Company, Amsterdam 1963) pp. 210–235
4. H.-P. Blume, G.W. Brümmer, H. Fleige, R. Horn, E. Kandeler, I. Kögel-Knabner, R. Kretzschmar, K. Stahr, B.-M. Wilke: Scheffer/Schachtschabel – Soil Science (Springer, Berlin, Heidelberg 2016)
5. A.R. Mermut, S.H. Luk, M.J.M. Römkens, J.W.A. Poesen: Micromorphological and mineralogical components of surface sealing in loess soils from different geographic regions, Geoderma 66(1/2), 71–84 (1995)