Волкова, Ю.В. Проектирование и расчет осушительных систем [Электронный ресурс]: Учеб.пособие / Ю.В. Волкова, Ю.Б. Полетаев; Санкт-Петербургский государственный политехнический университет. — Электрон. текстовые дан. (1 файл : 1,10 Мб). — Санкт-Петурбург, 2003. — Загл. с титул. экрана. — Электрон. версия печ. публикации 2002 г. — Доступ из локальной сети ИБК СПбПУ. — Adobe Acrobat Reader 4.0. — <URL:http://elib.spbstu.ru/dl/local/565.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2014
|
Quarter 1
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
2015
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
2016
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
2017
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
2018
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
2019
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
Year 2020
|
Quarter 1
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 2
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
1
|
0
|
0
|
0
|
1
|
|
Total
|
9
|
0
|
1
|
0
|
10
|
