[pybtex.style.formatting]
urn_alpha = sphinxcontrib_bibtex_urn.styles:AlphaUrn
urn_plain = sphinxcontrib_bibtex_urn.styles:PlainUrn
urn_unsrt = sphinxcontrib_bibtex_urn.styles:UnsrtUrn
urn_unsrtalpha = sphinxcontrib_bibtex_urn.styles:UnsrtAlphaUrn

