Adhikari, K., Kheir, R. B., Greve, M. B., Bocher, P. K., Malone, B. P., Minasny, B., McBratney, A. B. and Greve, M. H. (2013). High-resolution 3-D mapping of soil texture in Denmark. Soil Science Society of America Journal, 77, 860-876.
Akpa, S. I. C., Odeh, I. O. A. and Bishop, T. F. A. (2014). Digital mapping of soil particle-size fractions for Nigeria. Soil Science Society of America Journal, 78, 1953-1966.
Akumu, C. E., Johnson, J. A., Etheridge, D., Uhlig, P., Woods, M., Pitt, D. G. and McMurray, S. (2015).
GIS-fuzzy logic based approach in modeling soil texture: Using parts of the Clay Belt and Hornepayne region in Ontario Canada as a case study. Geoderma, 239-240, 13-24.
Amirian Chakan, A. (2012). Spatial modeling of land suitability using fuzzy sets theory and geostatistics techniques. Ph. D. dissertation, University of Tehran, Tehran.
Baker, L. and Ellison, D. (2008). Optimization of pedotransfer functions using an artificial neural network ensemble method. Geoderma, 144, 212-224.
Bishop, T. F. A., McBratney, A. B. and Laslett, G. M. (1999). Modelling soil attribute depth functions with equal-area quadratic smoothing splines, Geoderma, 91, 27-45.
Campbell N. A., Mulcahy M. J. and McArthur W. M. (1970). Numerical classification of soil profiles on the basis of field morphological properties. Australian Journal of Soil Research, 8, 43-58.
Du, K. L. and Swamy, M. N. S. (2006). Neural networks in a soft computing framework. London: Springer-Verlag.
Greve, M. H., Kheir, R. B., Greve, M. B. and Bocher, P. K. (2012a). Quantifying the ability of environmental parameters to predict soil texture fractions using regression-tree model with GIS and LIDAR data: The case study of Denmark. Ecological Indicators, 18, 1-10.
Greve, M. H., Kheir, R. B., Greve, M. B. and BØcher, P. K. (2012b). Using digital elevation models as an environmental predictor for soil clay contents. Soil Science Society of America Journal, 76, 2116-2127.
Hartemink, A. E. and McBratney, A. B. (2008). A soil science renaissance. Geoderma, 148, 123-129.
Hengl, T., Rossiter D. G. and Stein, A. (2003). Soil sampling strategies for spatial prediction by correlation with auxiliary maps. Geoderma, 120, 75-93.
Jenny, H. (1941). Factors of soil formation: a system of quantitative pedology. New York: McGrawHill.
Kayadelen, C., TaskIran, T., Günaydin, O. and Fener, M. (2009). Adaptive neuro-fuzzy modeling for the swelling potential of compacted soils. Environmental Earth Sciences, 59, 109-115.
Kempen, B., Brus, D. and Stoorvogel, J. J. (2011). Three-dimensional mapping of soil organic matter content using soil type–specific depth functions. Geoderma, 162, 107-123.
Lagacherie, P. (2008). Digital soil mapping: a state of the art. In: A. E. Hartemink, A. B. McBratney, and M.d.L. Mendonça Santos (eds). Digital soil mapping with limited data. (pp. 3-14). London: Springer.
Lacoste, M., Lemercier, B. and Walter, C. (2011). Regional mapping of soil parent material by machine learning based on point data. Geomorphology, 133, 90-99.
LieB, M., Glaser, B. and Huwe, B. (2012). Uncertainty in the spatial prediction of soil texture: comparison of regression tree and random forest models. Geoderma, 170, 70-79.
Liu, F., Geng, X., Zhu, A. X., Fraser, W. and Waddell, A. (2012). Soil texture mapping over low relief areas using land surface feedback dynamic patterns extracted from MODIS. Geoderma, 171-172, 44-52.
Malone, B. P., McBratney, A. B., Minasny, B. and Laslett, G. M. (2009). Mapping continuous depth functions of soil carbon storage and available water capacity. Geoderma, 154, 138-152.
Malone, B.P., McBratney, A. B., Minasny, B. (2011). Empirical estimates of uncertainty for mapping continuous depth functions of soil attributes. Geoderma, 160, 614-626.
McBratney, A. B., Mendonça-Santos, M. L. and Minasny, B. (2003). On digital soil mapping. Geoderma, 117,
3-52.
Minasny, B., McBratney, A. B. and Lark, R. M. (2008). Digital soil mapping technologies for countries with sparse data infrastructures. In: A. E. Hartemink, A. B. McBratney, and M. d. L. Mendonça Santos (eds). Digital soil mapping with limited data. (pp. 15-30). London: Springer.
Minasny, B. and Hartemink, A. E. (2011). Predicting soil properties in the tropics. Earth Science Review, 106, 52-62.
Minasny, B., McBratney, A. B., Mendonca-Santos, M. L., Odeh, I. O. A. and Guyon, B. (2006). Prediction and digital mapping of soil carbon storage in the Lower Namoi Valley. Australian Journal of Soil Research, 44,233-244.
Mishra, U., Lal, R., Slater, B., Calhoun, F., Liu, D. and Van Meirvenne, M. (2009). Predicting soil organic carbon stock using profile depth distribution functions and ordinary kriging. Soil Science Society of America Journal, 73, 614-621.
Nabiollahi, K., Haidari, A. and Taghizadeh Mehrjerdi, R. (2014). Digital mapping of soil texture using regression tree and artificial neural network in Bijar, Kurdistan. Journal of Water and Soil, 28, 1025-1036. (In Farsi)
Nyssen, J., Tmesgen, H., Lemenih, M., Zenebe A., Haregeweyn, N. and Haile M. (2008). Spatial and temporal variation of soil organic carbon stocks in a lake retreat area of the Ethiopian Rift Valley. Geoderma, 146, 261-268.
Odgers, N. P., Libohova, Z. and Thompson, J. A. (2012). Equal-area spline functions applied to a legacy soil database to create weighted-means maps of soil organic carbon at a continental scale. Geoderma, 189-190, 153-163.
Ponce-Hernandez, R., Marriott, F. H. C. and Beckett, P. H. T. (1986). An improved method for reconstructing a soil profile from analysis of a small number of samples. Journal of Soil Science, 37, 455-467.
Samarasinghe, S. (2007). Neural networks for applied sciences and engineering. New York: Taylor and Francis.
Schetzl, R. and Anderson, S. (2005) Soils: Genesis and geomorphology. New York: Cambridge University Press.
Sreekanth, P. D., Sreedevi, P. D., Ahmed, S. and Geethanjali, N. (2011). Comparison of FFNN and ANFIS models for estimating groundwater level. Environmental Earth Sciences, 62, 1301-1310.
Soil Survey Staff. (2014). Keys to soil taxonomy (11th ed). Washington: USDA-NRCS.
Stoorvogel, J. J., Kempen, B., Heuvelink, G. B. M. and Bruin, S. (2009). Implementation and evaluation of existing knowledge for digital soil mapping in Senegal. Geoderma, 149, 161-170.
Taghizadeh Mehrjardi R., Minasny B., Sarmadian F. and Malone P. B. (2014a). Digital mapping of soil salinity in Ardakan region, central Iran. Geoderma, 213, 15-28
Taghizadeh Mehrjerdi, R., Amirin Chakan, A. and Sarmadian, F. (2014b). 3D digital mapping of soil cation exchange capacity in Dorud, Lorestan province. Journal of Water and Soil, 28, 998-1010. (In Farsi)
Thompson, J. A., Roecker, S., Grunwald, S and Owens, P. R. (2012). Digital soil mapping: Interactions with and applications for hydropedology. In: H. Lin (ed). Hydropedology. (pp. 665-709). Amsterdam: Academic Press.
Vaysse, K. and Lagacherie, P. (2015). Evaluating digital soil mapping approaches for mapping GlobalSpilMap soil properties from legacy data in Languedoc Roussillon (France). Geoderma, 4, 20-30.