[DOCBOOK-XSL] Bob Stayton: DocBook XSL: The Complete Guide. Fourth Edition, September 2007, OASIS. http://www.sagehill.net/docbookxsl/index.html

[ARIAL] Arial. Wikipedia. https://en.wikipedia.org/wiki/Arial

[LAPEYRE] Deborah A. Lapeyre: Tweet. 9 June 2019, Mulberry Technologies, Inc. https://twitter.com/dalapeyre/status/1137659806288924672

[LIBERATION] Liberation fonts. Wikipedia. https://en.wikipedia.org/wiki/Liberation_fonts

[MUK-docbook] Markup UK: ‘MUK_docbook’ add-on Oxygen framework, Markup UK https://github.com/MarkupUK/paperFramework

[MUK-xsl] Markup UK: XSL stylesheets for Markup UK proceedings, Markup UK https://github.com/MarkupUK/MUK-xsl

[XMLPAPER] Cristian Talau: XMLPaper: XML-based Conference Paper Workflow. 6 June 2019, Markup UK. https://markupuk.org/2019/webhelp/index.html#xmlpaper.html

[XSLT10-STYLESHEETS] DocBook: DocBook XSLT 1.0 Stylesheets, DocBook https://github.com/docbook/xslt10-stylesheets

[XSLTHL] Michal Molhanec, Jirka Kosek, Michiel Hendriks: XSLT syntax highlighting, https://github.com/xmlark/xslthl