@article{Biryukov2014analysis,
author={Biryukov, I.. and Samylina, E.. and Trifonov, K..},
title={Analysis of Accumulation of Heavy Metals and Iron in Soils (on Vladimir Region Example)},
journal={Safety in Technosphere},
publisher={INFRA-M Academic Publishing LLC.},
year={2014},
pages={7-14},
volume={3},
issue={2},
}