Vankova, A.A. Biological oxidation of iron in flooded soils / A. A. Vankova. — с.117-122. — Электрон. текстовые дан. // Izvestia of Timiryazev - Academy: Scientific-theoretical Journal of the Russian State Agrarian University - Moscow Agricultural Academy named after K.A. Timiryazev. – 2010. – Вып. special issue. — Коллекция: Журнал «Известия ТСХА». — http://elib.timacad.ru/dl/full/12-2010-eng.pdf. - Загл. с титул. экрана. — <URL:http://elib.timacad.ru/dl/full/12-2010-eng.pdf>.
| Period | Read | Copy | Open | Total | |
|---|---|---|---|---|---|
| Year 2017 | 14 | 0 | 7 | 0 | 21 |
| Year 2018 | 36 | 0 | 23 | 0 | 59 |
| Year 2019 | 30 | 0 | 25 | 0 | 55 |
| Year 2020 | 19 | 0 | 13 | 0 | 32 |
| Year 2021 | 33 | 0 | 26 | 0 | 59 |
| Year 2022 | 44 | 0 | 25 | 0 | 69 |
| Year 2023 | 32 | 0 | 36 | 0 | 68 |
| Year 2024 | 58 | 0 | 61 | 0 | 119 |
| Year 2025 | 194 | 0 | 119 | 0 | 313 |
| Year 2026 | 132 | 0 | 84 | 0 | 216 |
| Total | 592 | 0 | 419 | 0 | 1,011 |