BibTeX-compatible bibliography processor

 Pybtex reads citation information from a file and produces a formatted
 bibliography. BibTeX style files are supported. Alternatively it is
 possible to write styles in Python.
 .
 Pybtex currently understands the following bibliography formats:
  * BibTeX
  * BibTeXML
  * YAML-based format
 .
 The resulting bibliography may be output in one of the following formats:
  * LaTeX
  * HTML
  * plain text