1. Abdullaev, U. (2003). Republic of Uzbekistan. Land degradation assessment in drylands (LADA). Research and Design Institute Uzgipromeliovodkhoz, pp. 43.
2. Akramkhanov, A. (2005). The spatial distribution of soil salinity: Detection and prediction. ZEF Series in Ecology and Development No. 32, Bonn, Germany, University of Bonn.
3. Akramkhanov, A., Sommer, R., Martius, C., Hendrickx, J. M. H., & Vlek, P. L. G. (2008). Comparison and sensitivity of measurement techniques for spatial distribution of soil salinity. Irrigation and Drainage Systems, 22, 115–126.
4. Bennett, D. L., George, R. J., & Ryder, A. (1995). Soil salinity assessment using the EM38: Field operating instructions and data interpretation. Miscellaneous Publication 4/95, Western Australia, Department of Agriculture.
5. Bouma, J., & Hoosbeek, M. R. (1996). The contribution and importance of soil scientists in interdisciplinary studies dealing with land. In R. J. Wagenet, & J. Bouma (Eds.), The role of soil science in interdsciplinary research (pp. 1–15). SSSA Special Publication 45.