The Ribosomal Database Project: improved alignments and new tools for rRNA analysis.
James R. ColeQiong WangE. CardenasJordan A. FishBenli ChaiRyan J. FarrisA. S. Kulam-Syed-MohideenDonna M. McGarrellTerry L. MarshGeorge M. GarrityJames M. TiedjePublished in: Nucleic Acids Res. (2009)