TY - JOUR AU - Quast, C; Pruesse, E; Yilmaz, P TI - The SILVA ribosomal RNA gene database project: improved data processing and web-based tools JO - Nucleic Acids Res VL - 41 PY - 2013 DO - 10.1093/nar/gks1219 L3 - PubMed-ID: 23193283 SP - D590 EP - D596 N1 - (Database issue): ER -