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Варданян, В. А. DWDM-SCM-PON-сети [Электронный ресурс] / В. А. Варданян. — Санкт-Петербург: Лань, 2020 — 304 с. — Книга из коллекции Лань - Информатика. — <URL:https://e.lanbook.com/book/136176>. — <URL:https://e.lanbook.com/img/cover/book/136176.jpg>.
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