- symbolsdb.com slash-symbol
- copyandpastesymbols.net line-symbols.html
- amp-what.com unicode/search/slash
- youtube.com watch
- instantcopypaste.com slash-symbols/
- toptal.com designers/htmlarrows/punctuation/slash/
- neumeka.ru slash.html
- help.scilab.org doc/5.5.2/ru_RU/backslash.html
- en.wikipedia.org Slash (punctuation)