Бойко, Евгений Анатольевич. Устройство и конструкционные характеристики энергетических котельных агрегатов: учебное пособие / Е. А. Бойко. — Москва; Вологда: Инфра-Инженерия, 2021. — 364 с.: ил. — ВО - Бакалавриат. — Доступ по паролю из сети Интернет (чтение). — <URL:https://znanium.com/catalog/document?id=385207>. — <URL:https://znanium.com/cover/1836/1836520.jpg>. — Текст: электронный
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| Year 2023 | Quarter 2 | April | 0 | 0 | 0 | 1 | 1 |
| May | 0 | 0 | 0 | 1 | 1 | ||
| June | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
| August | 0 | 0 | 0 | 0 | 0 | ||
| September | 0 | 0 | 0 | 2 | 2 | ||
| Quarter 4 | October | 0 | 0 | 0 | 3 | 3 | |
| November | 0 | 0 | 0 | 1 | 1 | ||
| December | 0 | 0 | 0 | 0 | 0 | ||
| Year 2024 | Quarter 1 | January | 0 | 0 | 0 | 2 | 2 |
| February | 0 | 0 | 0 | 0 | 0 | ||
| March | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 2 | April | 0 | 0 | 0 | 1 | 1 | |
| May | 0 | 0 | 0 | 3 | 3 | ||
| June | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
| August | 0 | 0 | 0 | 0 | 0 | ||
| September | 0 | 0 | 0 | 1 | 1 | ||
| Quarter 4 | October | 0 | 0 | 0 | 0 | 0 | |
| Total | 0 | 0 | 0 | 15 | 15 | ||