ConTra: a promoter alignment analysis tool for identification of transcription factor binding sites across species. - Bart Hooghe; Paco Hulpiau; Frans van Roy; Pieter J. De Bleser (Nucleic Acids Res., 2008)

ConTra v2: a tool to identify transcription factor binding sites across species, update 2011. - Stefan Broos; Paco Hulpiau; Jeroen Galle; Bart Hooghe; Frans van Roy; Pieter J. De Bleser (Nucleic Acids Res., 2011)

ConTra v3: a tool to identify transcription factor binding sites across species, update 2017. - Lukasz Kreft; Arne Soete; Paco Hulpiau; Alexander Botzki; Yvan Saeys; Pieter J. De Bleser (Nucleic Acids Res., 2017)