The European Small Subunit Ribosomal RNA database. - Yves Van de Peer; Peter De Rijk; Jan Wuyts; Tina Winkelmans; Rupert De Wachter (Nucleic Acids Res., 2000)

The European Large Subunit Ribosomal RNA Database. - Jan Wuyts; Peter De Rijk; Yves Van de Peer; Tina Winkelmans; Rupert De Wachter (Nucleic Acids Res., 2001)

The European database on small subunit ribosomal RNA. - Jan Wuyts; Yves Van de Peer; Tina Winkelmans; Rupert De Wachter (Nucleic Acids Res., 2002)