@article{Povarov2025the, author={Povarov, V.P. and Rosnovsky, S.V. and Yurchenko, E.I. and Karasev, V.N. and Dobrynin, V.V. and Sokolov, F.G. and Smorodinov, A.A.}, title={The Use of Natural Materials with a Low Content of Radionuclides as Protection from the External Background During Laboratory Gamma-Ray Spectrometric and Radiometric Measurements}, journal={ANRI}, publisher={Scientific-Production Enterprise “Dosa”}, year={2025}, pages={47-55}, volume={0}, issue={1}, }