Slides of our talk Foreign packages in GNU Guix, Examples from Ruby gems, Python modules and R/CRAN by Pjotr Prins & David Thompson, FOSDEM, January 30th, 2016
https://fosdem.org/2016/schedule/event/guixmodules/attachments/slides/1035/export/events/attachments/guixmodules/slides/1035/slides.pdf https://fosdem.org/2016/schedule/event/guixmodules/
