The ribosomal database project. - Niels Larsen; Gary J. Olsen; Bonnie L. Maidak; Michael J. McCaughey; Ross A. Overbeek; Thomas J. Macke; Terry L. Marsh; Carl R. Woese (Nucleic Acids Res., 1993)

The Ribosomal Database Project (RDP-II): previewing a new autoaligner that allows regular updates and the new prokaryotic taxonomy. - James R. Cole; Benli Chai; Terry L. Marsh; Ryan J. Farris; Qiong Wang; S. A. Kulam; S. Chandra; Donna M. McGarrell; Thomas M. Schmidt; George M. Garrity; James M. Tiedje (Nucleic Acids Res., 2003)

The Ribosomal Database Project: improved alignments and new tools for rRNA analysis. - James R. Cole; Qiong Wang; E. Cardenas; Jordan A. Fish; Benli Chai; Ryan J. Farris; A. S. Kulam-Syed-Mohideen; Donna M. McGarrell; Terry L. Marsh; George M. Garrity; James M. Tiedje (Nucleic Acids Res., 2009)