Петров, Сергей Михайлович. Способы ручного изготовления форм [Электронный ресурс]: учебное пособие по курсу "Технология литейных форм" / С.М. Петров, С.Г. Петрова; Санкт-Петербургский государственный политехнический университет. — Электрон. текстовые дан. (1 файл : 6,50 Мб). — СПб., 2012. — Загл. с титул. экрана. — Доступ из локальной сети ИБК СПбПУ (чтение, печать). — Текстовый документ. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/local/2694.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2013
|
Quarter 1
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
1
|
0
|
0
|
0
|
1
|
|
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
|
|
Year 2017
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
1
|
0
|
0
|
0
|
1
|
|
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
|
1
|
0
|
4
|
0
|
5
|
|
Quarter 2
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
Year 2021
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
1
|
0
|
1
|
|
Year 2022
|
Quarter 1
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
Total
|
4
|
0
|
10
|
0
|
14
|
