1. Bear, J. (1988). Dynamics of Fluids in Porous Media. New York: Dover Publications, Inc. Retrieved from https://lib.ugent.be/catalog/rug01:000487153
2. Borges, J., Pires, L., Cassaro, F., Auler, A., Rosa, J., Heck, R., & Roque, W. (2019). X-ray computed tomography for assessing the effect of tillage systems on topsoil morphological attributes. Soil Tillage Research, 189(1), 25–35. https://doi.org/10.1016/j.still.2018.12.019
3. Carman, P. (1956). Flow of Gases through Porous Media. New York: Academic Press. Retrieved from https://catalog.hathitrust.org/Record/001478579
4. Clennell, M. (1997). Tortuosity: a guide through the maze (Vol. 122). London, U.K.: Geological Society. Retrieved from https://sp.lyellcollection.org/content/122/1/299
5. Diedrich, K., Roberts, J., Schmidt, R., Albright, L., Yetman, A., & Parker, D. (2011). Medical record and imaging evaluation to identify arterial tortuosity phenotype in populations at risk for intracranial aneurysms. In AMIA Annual Symp. Proc. (Vol. 2011, pp. 295–304). Nebraska, US. Retrieved from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3243263/