Onyshchenko, G. M., V. D. Ryzhikov, I. I. Yakymenko, and O. P. Shchus’. “The Threshold of Detection of Fission Materials by ZnWO4 and Bi4Ge3O12 Scintillation Detectors”. East European Journal of Physics, no. 4, Dec. 2019, pp. 91-94, doi:10.26565/2312-4334-2019-4-10.