Ajdari M, Habibagahi G, Ghahramani A, “Predicting effective stress parameter of unsaturated soils using neural networks”, Computers and Geotechnics, 2012, 40, 89-96.
Assouline S, Tessier D, Bruand A, “A conceptual model of the soil water retention curve”, Water Resources Research, 1998, 34 (2), 223-231.
Bishop AW, “The principle of effective stress”, Teknisk Ukeblad, 1959, 39, 859-863.
Bishop AW, Blight G, “Some aspects of effective stress in saturated and partly saturated soils”, Geotechnique, 1963, 13 (3), 177-197.
Brooks RH, Corey AT, “Hydraulic properties of porous media”, Colorado State University, Libraries, 1964.
Črepinšek M, Liu S-H, Mernik M, “Exploration and exploitation in evolutionary algorithms: A surve”, ACM Computing Surveys (CSUR), 2013, 45 (3), 1-33.
Farrell D, Larson W, “Dynamics of the soil-water system during a rainstorm”, Soil science, 1972, 113 (2), 88-95.
Fattahi H, “Applying soft computing methods to predict the uniaxial compressive strength of rocks from schmidt hammer rebound values”, Computational Geosciences, 2017a, 21 (4), 665-681.
Fattahi H, “Prediction of slope stability using adaptive neuro-fuzzy inference system based on clustering methods”, Journal of Mining and Environment, 2017b, 8 (2), 163-177.
Fattahi H, “An Estimation of Required Rotational Torque to Operate Horizontal Directional Drilling Using Rock Engineering Systems”, Journal of Petroleum Science and Technology, 2018, 8 (1), 82-96.
Fattahi H, “Tunnel boring machine penetration rate prediction based on relevance vector regression”, International Journal of Optimization in Civil Engineering, 2019, 9 (2), 343-353.
Fattahi H, Moradi A, “A new approach for estimation of the rock mass deformation modulus: a rock engineering systems-based model”, Bulletin of Engineering Geology and the Environment, 2018, 77 (1), 363-374.
Fredlund DG, Xing A, “Equations for the soil-water characteristic curve”, Canadian geotechnical journal, 1994, 31 (4), 521-532.
Fredlund DG, Xing A, Fredlund MD, Barbour S, “The relationship of the unsaturated soil shear strength to the soil-water characteristic curve”, Canadian Geotechnical Journal, 1996, 33 (3), 440-448.
Gardner W, “Some steady-state solutions of the unsaturated moisture flow equation with application to evaporation from a water table”, Soil Science, 1958, 85 (4), 228-232.
Garven E, Vanapalli S, “Evaluation of empirical procedures for predicting the shear strength of unsaturated soils”, In Unsaturated Soils, 2006, 2570-2592.
Kayadelen C, “Estimation of effective stress parameter of unsaturated soils by using artificial neural networks”, International Journal For Numerical And Analytical Methods In Geomechanics, 2008, 32 (9), 1087-1106.
Khalili N, Geiser F, Blight G, “Effective stress in unsaturated soils: Review with new evidence”, International journal of Geomechanics, 2004, 4 (2), 115-126.
Khalili N, Khabbaz M, “A unique relationship for χ for the determination of the shear strength of unsaturated soils”, Geotechnique, 1998, 48 (5), 681-687.
Lee I-M, Sung S-G, Cho G-C, “Effect of stress state on the unsaturated shear strength of a weathered granite”, Canadian Geotechnical Journal, 2005, 42 (2), 624-631.
Loret B, Khalili N, “An effective stress elastic–plastic model for unsaturated porous media”, Mechanics of Materials, 2002, 34 (2), 97-116.
McKee C, Bumb A, “Flow-testing coalbed methane production wells in the presence of water and gas”, SPE formation Evaluation, 1987, 2 (04), 608-500.
Mech LD, “Alpha status, dominance, and division of labor in wolf packs”, Canadian Journal of Zoology, 1999, 77 (8), 1196-1203.
Miao L, Liu S, Lai Y, “Research of soil-water characteristics and shear strength features of Nanyang expansive soil”, Engineering Geology, 2002, 65 (4), 261-267.
Mirjalili S, “SCA: a sine cosine algorithm for solving optimization problems”, Knowledge-based systems, 2016, 96, 120-133.
Mirjalili S, Mirjalili SM, Lewis A, “Grey wolf optimizer”, Advances in Engineering Software, 2014, 69, 46-61.
Mousavi SMR, Khishe M, Ghamgosar A, “Classification of sonar data set using the gray wolf optimizer algorithm”, 2016.
Muro C, Escobedo R, Spector L, Coppinger R, “Wolf-pack (Canis lupus) hunting strategies emerge from simple rules in computational simulations”, Behavioural Processes, 2011, 88 (3), 192-197.
Rahardjo H, Heng OB, Choon LE, “Shear strength of a compacted residual soil from consolidated drained and constant water content triaxial tests”, Canadian Geotechnical Journal, 2004, 41 (3), 421-436.
Rampino C, Mancuso C, Vinale F, “Experimental behaviour and modelling of an unsaturated compacted soil”, Canadian Geotechnical Journal, 2000, 37 (4), 748-763.
Russell A, Khalili N, “A unified bounding surface plasticity model for unsaturated soils”, International Journal for Numerical and Analytical Methods in Geomechanics, 2006, 30 (3), 181-212.
Russell AR, Khalili N, “A bounding surface plasticity model for sands exhibiting particle crushing”, Canadian Geotechnical Journal, 2004, 41 (6), 1179-1192.
Samui P, Jagan J, “Determination of effective stress parameter of unsaturated soils: A Gaussian process regression approach”, Frontiers of Structural and Civil Engineering, 2013, 7 (2), 133-136.
Thu TM, Rahardjo H, Leong E-C, “Effects of hysteresis on shear strength envelopes from constant water content and consolidated drained triaxial tests”, In Unsaturated Soils, 2006, 1212-1222.
Uysal F “Prediction of collapse potential of soils using gene expression programming and parametric study”, Arabian Journal of Geosciences, 2020, 13 (19), 1-13.
Van Genuchten MT, “A closed‐form equation for predicting the hydraulic conductivity of unsaturated soils”, Soil science society of America journal, 1980, 44 (5), 892-898.
Vanapalli S, Fredlund D, Pufahl D, Clifton A, “Model for the prediction of shear strength with respect to soil suction”, Canadian Geotechnical Journal, 1996, 33 (3), 379-392.
Williams J, Prebble R, Williams W, Hignett C, “The influence of texture, structure and clay mineralogy on the soil moisture characteristic”, Soil Research, 1983, 21 (1), 15-32.
Zerhouni MI, “Rôle de la pression interstielle négative dans le comportement des sols”, Application au Calcul Des Routes-Thèse, 1991.