Alternative: convert RIS to BibTeX format quickly online.
RIS is an old citation format that some journals still give citations in. Here’s how to convert RIS to convenient BibTeX format.
apt install cb2bib bibutils texlive
Convert RIS .ris file to BibTeX .bib format:
/usr/share/cb2bib/c2btools/ris2bib in.ris out.bib
Make PDF listing of references directly from
/usr/share/cb2bib/c2btools/bib2pdf in.bib out.pdf