Типы химических соединений: методические указания для самостоятельной работы студентов по общей химии / Ленинградский политехнический институт имени М. И. Калинина; [составители: Б. Д. Курников [и др.]. — Ленинград: [ЛПИ], 1983 (Санкт-Петербург, 2020). — 1 файл (1,50 Мб). — Загл. с титул. экрана. — Цифровая копия печатной публикации 1983 г. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/si20-378.pdf>. — DOI 10.18720/SPBPU/2/si20-378. — Текст: электронный
Period | Read | Copy | Open | Total | |||
---|---|---|---|---|---|---|---|
Year 2020 | Quarter 3 | September | 3 | 0 | 1 | 0 | 4 |
Quarter 4 | October | 5 | 0 | 0 | 0 | 5 | |
November | 0 | 0 | 1 | 0 | 1 | ||
December | 0 | 0 | 1 | 0 | 1 | ||
Year 2021 | Quarter 1 | January | 4 | 0 | 3 | 0 | 7 |
February | 7 | 0 | 3 | 0 | 10 | ||
March | 1 | 0 | 0 | 0 | 1 | ||
Quarter 2 | April | 0 | 0 | 0 | 0 | 0 | |
May | 0 | 0 | 0 | 0 | 0 | ||
June | 1 | 0 | 0 | 0 | 1 | ||
Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
August | 0 | 0 | 0 | 0 | 0 | ||
September | 1 | 0 | 1 | 0 | 2 | ||
Quarter 4 | October | 1 | 0 | 0 | 0 | 1 | |
November | 0 | 0 | 0 | 0 | 0 | ||
December | 0 | 0 | 0 | 0 | 0 | ||
Year 2022 | Quarter 1 | January | 0 | 0 | 0 | 0 | 0 |
February | 0 | 0 | 0 | 0 | 0 | ||
March | 0 | 0 | 0 | 0 | 0 | ||
Quarter 2 | April | 0 | 0 | 0 | 0 | 0 | |
May | 0 | 0 | 0 | 0 | 0 | ||
June | 0 | 0 | 0 | 0 | 0 | ||
Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
August | 0 | 0 | 0 | 0 | 0 | ||
September | 0 | 0 | 1 | 0 | 1 | ||
Quarter 4 | October | 1 | 0 | 0 | 0 | 1 | |
November | 1 | 0 | 1 | 0 | 2 | ||
December | 1 | 0 | 0 | 0 | 1 | ||
Year 2023 | Quarter 1 | January | 0 | 0 | 0 | 0 | 0 |
February | 4 | 0 | 4 | 0 | 8 | ||
March | 1 | 0 | 0 | 0 | 1 | ||
Quarter 2 | April | 0 | 0 | 0 | 0 | 0 | |
May | 0 | 0 | 1 | 0 | 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 | 0 | 0 | ||
Quarter 4 | October | 0 | 0 | 1 | 0 | 1 | |
November | 0 | 0 | 0 | 0 | 0 | ||
December | 0 | 0 | 0 | 0 | 0 | ||
Year 2024 | Quarter 1 | January | 0 | 0 | 0 | 0 | 0 |
February | 0 | 0 | 0 | 0 | 0 | ||
March | 1 | 0 | 1 | 0 | 2 | ||
Quarter 2 | April | 0 | 0 | 0 | 0 | 0 | |
May | 0 | 0 | 1 | 0 | 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 | 0 | 0 | ||
Total | 32 | 0 | 20 | 0 | 52 |