Ahangar-Asr, A., Faramarzi, A., Mottaghifard, N., & Javadi, A. (2011). Modeling of permeability and compaction characteristics of soils using evolutionary polynomial regression. Computers and Geosciences, 37(11), 1860-1869. https://doi.org/10.1016/j.cageo.2011.04.015