After 10 years of development, the BioRuby paper is finally published in the Bioinformatics journal. The article is open access, so please take a look.
BioRuby: Bioinformatics software for the Ruby programming language Naohisa Goto, Pjotr Prins, Mitsuteru Nakao, Raoul Bonnal, Jan Aerts and Toshiaki Katayama Bioinformatics 2010; doi: 10.1093/bioinformatics/btq475