@article{Potapova2020obtaining,
author={Potapova, E.N. and Krivoborodov, Y.R.},
title={Obtaining complex environmental permissions by enterprises industry of building  materials: First results},
journal={Technique and technology of silicates},
publisher={Individual Entrepreneur Svetlana Vasilievna Samchenko},
year={2020},
pages={2-6},
volume={27},
issue={1},
}