[1] Lu, G. Y., & Wong, D. W. (2008). An adaptive inverse-distance weighting spatial interpolation technique. Computers & Geosciences, 34(9), 1044-1055.
[2] Burough PA, M.R. (1998). Creating continuous surfaces from point data. Oxford University Pres, Oxford, UK.
[3] Myers, D.E. (1994). Spatial interpolation: an overview. Geoderma, 62(1), 17-28.
[4] Li, J. and A.D. Heap. (2011). A review of comparative studies of spatial interpolation methods in environmental sciences: performance and impact factors. Ecological Informatics. 6(3), 228-241.
[5] Weber. D., Englund. E. (1994). Evaluation and comparison of spatial interpolators II. Mathematical Geology. 26, 589–603.
[6] Wilson, J.P., Gallant, J.C. (2000). Terrain Analysis. Principles and Applications Wiley, New York, 479.
[7] Creutin, J.D., Obled, C. (1982). Objective analyses and mapping techniques for rainfall fields: an objective comparison. Water Resources Research.18, 413-431
[9] Goovaerts, P. (2000). Geostatistical approaches for incorporating elevation into the spatial interpolation of rainfall. Journal of hydrology. 228(1), 113-129.
[9] Chaplot, V., et al. (2006) Accuracy of interpolation techniques for the derivation of digital elevation models in relation to landform types and data density. Geomorphology, 77, 126-141.
[10] Matheron, G. (1963). Principles of geostatistics. Economic Geology. 58, 1246–1266.
[11] Star, J. and J.E. Estes. (1990). Geographic Information Systems: An Introduction. Prentice Hall.
[12] Robinson, T.P. and G. Metternicht. (2003). A comparison of inverse distance weighting and ordinary kriging for characterising within-paddock spatial variability of soil properties in Western Australia. Cartography. 32(1), 11-24.
[13] Hassani Pak, A. (1386). Geostatistic. Tehran. Tehran university. (In persian).
[14] Noroozi, Gh. (1385). Modeling and ore estimation of Masjeddaghi gold deposit with geostatistic, Jolfa, Eastren Azarbaijan. Journal of Mining engineering.(In Persian)
[15] CHENG, Q. (1999). Multifractal interpolation. Proceedings of the Firth Annual Conference of the International Association for Mathematical Geology, Trondheim, Norway. 1, 245–250.
[16] Cheng, Q. (1999). Multifractality and spatial statistics. Computers & Geosciences. 25, 949–961.
[17] Fedele, L., Plant, J. A., De Vivo, B. & Lima, A. (2008). The rare earth element distribution over Europe: geogenic and anthropogenic sources. Geochemistry, Exploration, Environment Analysis. 8, 3–18.
[18] Lima, A., et al. (2003). Multifractal IDW interpolation and fractal filtering method in environmental studies: an application on regional stream sediments of (Italy), Campania region. Applied Geochemistry. 18(12), 1853-1865.
[19] Frattini, P., De Vivo, B., Lima, A. & Cicchella, D. (2006). Background and baseline concentration values of human health harmful elements and gamma ray survey in the volcanic soils of Ischia island (Italy). Geochemistry: Exploration, Environment, Analysis. 6, 325–339.
[20] Lima, A., Albanese, S. & Cicchella, D. (2005). Geochemical baselines for the radioelements K, U, and Th in the Campania region, Italy: a comparison of stream-sediment geochemistry and gamma-ray surveys. Applied Geochemistry. 20, 611–625.
[21] Johnston K, V.H.J., Krivoruchko K, Lucas N. (2001). Using ArcGIS Geostatistical Analyst. Environmental Systems Research. Redlands,USA.
[22] Abbaszadeh, S. (1389). Finding potential of copper porphyry mineralization with use of remote sensing and geochemical data,Ghaleh Asgar (Hararan). Shhid Bahonar university of Kerman, (In Persian).