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 (RDP-II): sequences and tools for high-throughput rRNA analysis. - James R. Cole; Benli Chai; Ryan J. Farris; Qiong Wang; S. A. Kulam; Donna M. McGarrell; George M. Garrity; James M. Tiedje (Nucleic Acids Res., 2005)