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Гудков, Александр Геннадьевич. Механическая очистка сточных вод [электронный ресурс]: Учебное пособие / А. Г. Гудков. — 2. — Москва: Инфра-Инженерия, 2019 — 188 с. — ВО - Бакалавриат. — <URL:https://znanium.com/catalog/document?id=346702>. — <URL:https://znanium.com/cover/1053/1053347.jpg>.
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