LaTeX/Labels and Cross-referencing - Wikibooks, open books for an open world
Chapter 07 – Using Cross-References – LaTeX Beginner's Guide
author number - Footnote numbering starts at 2 - TeX - LaTeX Stack Exchange
Footnote with no footnotemark - TeX - LaTeX Stack Exchange
Compressing consecutive footnote marks - TeX - LaTeX Stack Exchange
The hep-reference package
GitHub - fsn1995/phdau-article-based: LaTeX template for article based PhD theses at Aarhus University. Modified from the template from the University of Oslo.