https://en.wikipedia.org/wiki/Comparison_of_reference_management_software
https://www.zotero.org
https://ikashnitsky.github.io/2019/zotero/
https://forums.zotero.org/discussion/57130
https://dillinger.io
https://bookdown.org/yihui/bookdown/
http://rmarkdown.rstudio.com/formats.html
https://ramnathv.github.io/slidifyExamples
http://lab.hakim.se/reveal-js/
http://rmarkdown.rstudio.com/revealjs_presentation_format.html