The CdZnTe Detector with Slit Collimator for Measure Distribution of the Specific Activity Radionuclide in the GroundV.E. Stepanov, A.G. Volkovich, V.N. Potapov, I.A. Semin, A.V. Stepanov and Iu.N. SimirskiiEPJ Web Conf., 170 (2018) 06005DOI: https://doi.org/10.1051/epjconf/201817006005