The SILVA ribosomal RNA gene database project: improved data processing and web-based tools. - Christian Quast; Elmar Pruesse; Pelin Yilmaz; Jan Gerken; Timmy Schweer; Pablo Yarza; Jörg Peplies; Frank Oliver Glöckner (Nucleic Acids Res., 2013)

The SILVA and "All-species Living Tree Project (LTP)" taxonomic frameworks. - Pelin Yilmaz; Laura Wegener Parfrey; Pablo Yarza; Jan Gerken; Elmar Pruesse; Christian Quast; Timmy Schweer; Jörg Peplies; Wolfgang Ludwig; Frank Oliver Glöckner (Nucleic Acids Res., 2014)