Assouline, S., Tessier, D., & Bruand, A. (1998). A conceptual model of the soil water retention curve. Water Resources Research. 34: 223-231.

Beigi Harchegani, H., & Ostovari, Y. (2013). Evaluation and comparison of Grey GM (1,1) and Skaggs models in estimating particle size distribution of soils in the Shahrekord plain. Journal of Water and Soil. 26(6): 1318-1328. (In Persian)

Fooladmand, H. R. & Sepaskhah, A. R. (2006). Improved estimation of the soil particle-size distribution from textural data. Biosystem Engineering. 94: 133-138.

Fooladmand, H. R. & Hadipour, S. (2012). Evaluation of parametric pedotransfer functions for estimating soil water characteristic curve in Fars province. Journal of Water and Soil Science. 15(4) : 25-37. (In Persian)

Fooladmand, H. R., & Mansuri, M. (2013). Comparison of two models for estimating soil particle-size distribution curve based on soil textural data. Archives of Agronomy and Soil Science. 59: 83-92.

Fooladmand, H. R. & Golkar, P. (2018). Fitting different models of soil-moisture characteristic curve on 30 soil samples in Fars province. Journal of Water and Soil Conservation. 25(1) : 319-326. (In Persian)

Fredlund, M. D., Fredlund, D. G., & Wilson, G. W. (2000). An equation to represent grain-size distribution. Canadian Geotechnical Journal. 37: 817-827.

Haverkamp, R., & Parlange, J. Y. (1986). Predicting the water retention curve from particle-size distribution: I. Sandy soils without organic matter. Soil Science. 142: 325-339. 

Leij, F. J., Alves, W. J., van Genuchten, M. Th., & Williams, J. R. (1996). The UNSODA unsaturated soil hydraulic database user’s manual. Version 1.0. Tech. Rep. EPA/600/R-96/095. U.S. EPA, Cincinnati, OH.

Mahadule, P. A., Ranshur, N. J., & Patil, M. R. (2023).  Particle size distribution models fitting in silty clay and silty clay loam textures soils of Pune district. The Pharma Innovation Journal. 12(6): 99-102.

Moosavi, A. A., Mansoorinasab, H., & Mostafavi, M. (2012). Modified Skaggs model for prediction of soil particle-size distribution from limited textural data. International Journal of Agricultural Research and Review. 2(4): 373-380.

Nabizadeh, E., & Beigi Harchegani, H. (2011). Perforemance of eight mathematical models in describing particle size distribution of some soils from Charmahal-va-Bakhtiari province. Journal of Water and Soil Science. 57: 63-75. (In Persian)  

Shirazi, M. A., & Boersma, L. (1984). A unifying quantitative analysis of soil texture. Soil Science Society of America Journal. 48: 142-147.

Skaggs, T. H., Arya, L. M., Shouse, P. J., & Mohanty, B.P. (2001). Estimating particle-size distribution from limited soil texture data. Soil Science Society of America Journal. 65: 1038-1044.

Tietje, O., & Hennings, V. (1996). Accuracy of the saturated hydraulic conductivity prediction by pedo-transfer functions compared to the variability within FAO textural classes. Geoderma. 69: 71-84.

van Genuchten, M. Th. (1980). A closed form equation for predicting the hydraulic conductivity of unsaturated soils. Soil Science Society of America Journal. 44: 892-898.