Пьядичев, Э. В. Охрана окружающей среды и основы природопользования: учебное пособие / Э. В. Пьядичев. — Москва: Проспект Науки, 2015. — 224 c. — Доступ по паролю из сети Интернет (чтение). — <URL:https://www.studentlibrary.ru/book/ISBN9785906109200.html>. — Текст: электронный
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2021 | Quarter 1 | 0 | 0 | 0 | 1 | 1 |
| Quarter 2 | 0 | 0 | 0 | 1 | 1 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 2 | 2 | |
| Year 2022 | Quarter 1 | 0 | 0 | 0 | 3 | 3 |
| Quarter 2 | 0 | 0 | 0 | 4 | 4 | |
| Quarter 3 | 0 | 0 | 0 | 3 | 3 | |
| Quarter 4 | 0 | 0 | 0 | 1 | 1 | |
| Year 2023 | Quarter 1 | 0 | 0 | 0 | 3 | 3 |
| Quarter 2 | 0 | 0 | 0 | 3 | 3 | |
| Quarter 3 | 0 | 0 | 0 | 2 | 2 | |
| Quarter 4 | 0 | 0 | 0 | 3 | 3 | |
| Year 2024 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 3 | 3 | |
| Quarter 3 | 0 | 0 | 0 | 2 | 2 | |
| Quarter 4 | 0 | 0 | 0 | 2 | 2 | |
| Total | 0 | 0 | 0 | 33 | 33 | |