Reference

bibtool(1) on Linux

The text b4d8abd4b82b, as Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody) shipped it.

BibTeX file manipulation tool

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bibtool(1) on Linux now