TY - JOUR T1 - Evaluation of optimal number of soil samples for detail reconstruction of initial field of 137Cs fallout in Chernobyl affected areas JO - Eurasian Journal of Soil Science VL - 4 IS - 4 SP , EP - 227 - 233 KW - Cs-137, soil sampling, evaluation of contamination, small catchments, radioecological mapping SN - 2147-4249 DO - 10.18393/ejss.2015.4.227-233 PY - 2015 PB - Federation of Eurasian Soil Science Societies ER -