I wrote something similar a while ago https://github.com/agrafix/grabcite https://github.com/agrafix/grabcite — I was surprised how far you could get with just

I wrote something similar a while ago https://github.com/agrafix/grabcite https://github.com/agrafix/grabcite — I was surprised how far you could get with just heuristics. The nice thing is that many academic papers are also available with their LaTeX source which avoids a lot of the structure guessing from PDFs.