[xyst]

Thanks for the study, getting pay walled. Will have to read this later.

Side note: on mobile, the papers in line citations are anchored to the individual reference (tapping the citation redirects user to reference). This is a pretty neat feature. Hope more people start to use it.

[uoaei]

That's a PDF which has been compiled by LaTeX.

[vinni2]

Yes hope more people start using latex.