Основатель физико-химического анализа, создатель школы в области общей и неорганической химии, академик [Электронный ресурс]: к 155-летию со дня рождения Н. С. Курнакова: выставка литературы из цикла: Политехнический: события и люди. Юбилейные даты года / Санкт-Петербургский политехнический университет Петра Великого, Информационно-библиотечный комплекс, Фундаментальная библиотека ; [сост. А.В. Куликова ; ред. И.А. Брюханова, Т.П. Наумова]. — Электрон. текстовые дан. (1 файл : 180 КБ). — Санкт-Петербург, 2015. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый файл. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/8661.pdf>.
| Period | Read | Copy | Open | Total | |||
|---|---|---|---|---|---|---|---|
| Year 2015 | Quarter 4 | November | 20 | 0 | 5 | 0 | 25 |
| December | 16 | 0 | 16 | 0 | 32 | ||
| Year 2016 | Quarter 1 | January | 13 | 0 | 2 | 0 | 15 |
| February | 8 | 0 | 4 | 0 | 12 | ||
| March | 4 | 0 | 3 | 0 | 7 | ||
| Quarter 2 | April | 3 | 0 | 2 | 0 | 5 | |
| May | 2 | 0 | 0 | 0 | 2 | ||
| June | 8 | 0 | 1 | 0 | 9 | ||
| Quarter 3 | July | 4 | 0 | 0 | 0 | 4 | |
| August | 7 | 0 | 0 | 0 | 7 | ||
| September | 13 | 0 | 0 | 0 | 13 | ||
| Quarter 4 | October | 8 | 0 | 3 | 0 | 11 | |
| November | 3 | 0 | 2 | 0 | 5 | ||
| December | 4 | 0 | 2 | 0 | 6 | ||
| Year 2017 | Quarter 1 | January | 6 | 0 | 0 | 0 | 6 |
| February | 1 | 0 | 0 | 0 | 1 | ||
| March | 5 | 0 | 6 | 0 | 11 | ||
| Quarter 2 | April | 3 | 0 | 3 | 0 | 6 | |
| May | 6 | 0 | 5 | 0 | 11 | ||
| June | 2 | 0 | 3 | 0 | 5 | ||
| Quarter 3 | July | 6 | 0 | 7 | 0 | 13 | |
| August | 2 | 0 | 23 | 0 | 25 | ||
| September | 3 | 0 | 12 | 0 | 15 | ||
| Quarter 4 | October | 4 | 0 | 7 | 0 | 11 | |
| November | 6 | 0 | 22 | 0 | 28 | ||
| December | 5 | 0 | 20 | 0 | 25 | ||
| Year 2018 | Quarter 1 | January | 7 | 0 | 18 | 0 | 25 |
| February | 4 | 0 | 14 | 0 | 18 | ||
| March | 11 | 0 | 15 | 0 | 26 | ||
| Quarter 2 | April | 8 | 0 | 20 | 0 | 28 | |
| May | 7 | 0 | 17 | 0 | 24 | ||
| June | 13 | 0 | 41 | 0 | 54 | ||
| Quarter 3 | July | 14 | 0 | 21 | 0 | 35 | |
| August | 9 | 0 | 14 | 0 | 23 | ||
| September | 6 | 0 | 14 | 0 | 20 | ||
| Quarter 4 | October | 3 | 0 | 20 | 0 | 23 | |
| November | 3 | 0 | 14 | 0 | 17 | ||
| December | 3 | 0 | 6 | 0 | 9 | ||
| Year 2019 | Quarter 1 | January | 9 | 0 | 13 | 0 | 22 |
| February | 0 | 0 | 7 | 0 | 7 | ||
| March | 2 | 0 | 7 | 0 | 9 | ||
| Quarter 2 | April | 2 | 0 | 12 | 0 | 14 | |
| May | 1 | 0 | 14 | 0 | 15 | ||
| June | 6 | 0 | 9 | 0 | 15 | ||
| Quarter 3 | July | 2 | 0 | 6 | 0 | 8 | |
| August | 0 | 0 | 8 | 0 | 8 | ||
| September | 4 | 0 | 5 | 0 | 9 | ||
| Quarter 4 | October | 4 | 0 | 14 | 0 | 18 | |
| November | 0 | 0 | 14 | 0 | 14 | ||
| December | 1 | 0 | 19 | 0 | 20 | ||
| Year 2020 | Quarter 1 | January | 0 | 0 | 7 | 0 | 7 |
| February | 2 | 0 | 11 | 0 | 13 | ||
| March | 10 | 0 | 9 | 0 | 19 | ||
| Quarter 2 | April | 13 | 0 | 0 | 0 | 13 | |
| May | 6 | 0 | 0 | 0 | 6 | ||
| June | 9 | 0 | 0 | 0 | 9 | ||
| Quarter 3 | July | 2 | 0 | 0 | 0 | 2 | |
| August | 2 | 0 | 0 | 0 | 2 | ||
| September | 7 | 0 | 0 | 0 | 7 | ||
| Quarter 4 | October | 5 | 0 | 2 | 0 | 7 | |
| November | 3 | 0 | 6 | 0 | 9 | ||
| December | 2 | 0 | 7 | 0 | 9 | ||
| Year 2021 | Quarter 1 | January | 1 | 0 | 4 | 0 | 5 |
| February | 7 | 0 | 6 | 0 | 13 | ||
| March | 5 | 0 | 7 | 0 | 12 | ||
| Quarter 2 | April | 6 | 0 | 1 | 0 | 7 | |
| May | 2 | 0 | 7 | 0 | 9 | ||
| June | 8 | 0 | 7 | 0 | 15 | ||
| Quarter 3 | July | 6 | 0 | 3 | 0 | 9 | |
| August | 4 | 0 | 5 | 0 | 9 | ||
| September | 6 | 0 | 5 | 0 | 11 | ||
| Quarter 4 | October | 3 | 0 | 2 | 0 | 5 | |
| November | 8 | 0 | 5 | 0 | 13 | ||
| December | 5 | 0 | 5 | 0 | 10 | ||
| Year 2022 | Quarter 1 | January | 3 | 0 | 6 | 0 | 9 |
| February | 7 | 0 | 2 | 0 | 9 | ||
| March | 4 | 0 | 3 | 0 | 7 | ||
| Quarter 2 | April | 11 | 0 | 2 | 0 | 13 | |
| May | 0 | 0 | 6 | 0 | 6 | ||
| June | 6 | 0 | 4 | 0 | 10 | ||
| Quarter 3 | July | 7 | 0 | 1 | 0 | 8 | |
| August | 6 | 0 | 4 | 0 | 10 | ||
| September | 13 | 0 | 2 | 0 | 15 | ||
| Quarter 4 | October | 6 | 0 | 3 | 0 | 9 | |
| November | 10 | 0 | 6 | 0 | 16 | ||
| December | 14 | 0 | 2 | 0 | 16 | ||
| Year 2023 | Quarter 1 | January | 1 | 0 | 3 | 0 | 4 |
| February | 4 | 0 | 2 | 0 | 6 | ||
| March | 3 | 0 | 6 | 0 | 9 | ||
| Quarter 2 | April | 4 | 0 | 1 | 0 | 5 | |
| May | 7 | 0 | 2 | 0 | 9 | ||
| June | 2 | 0 | 2 | 0 | 4 | ||
| Quarter 3 | July | 3 | 0 | 4 | 0 | 7 | |
| August | 3 | 0 | 1 | 0 | 4 | ||
| September | 4 | 0 | 4 | 0 | 8 | ||
| Quarter 4 | October | 4 | 0 | 4 | 0 | 8 | |
| November | 2 | 0 | 8 | 0 | 10 | ||
| December | 1 | 0 | 4 | 0 | 5 | ||
| Year 2024 | Quarter 1 | January | 1 | 0 | 2 | 0 | 3 |
| February | 1 | 0 | 8 | 0 | 9 | ||
| March | 1 | 0 | 7 | 0 | 8 | ||
| Quarter 2 | April | 8 | 0 | 5 | 0 | 13 | |
| May | 5 | 0 | 12 | 0 | 17 | ||
| June | 4 | 0 | 11 | 0 | 15 | ||
| Quarter 3 | July | 1 | 0 | 5 | 0 | 6 | |
| August | 1 | 0 | 7 | 0 | 8 | ||
| September | 11 | 0 | 6 | 0 | 17 | ||
| Quarter 4 | October | 10 | 0 | 2 | 0 | 12 | |
| Total | 571 | 0 | 736 | 0 | 1,307 | ||