Karaman, M. , Susam, T. , Er, F. , Yaprak, S. , Karkac─▒er, O.. "Simulation of Organic Matter Variability on a Sugarbeet Field Using the Computer Based Geostatistical Methods". World Academy of Science, Engineering and Technology, Open Science Index 32, International Journal of Geological and Environmental Engineering (2009), 3(8), 254 - 257.