Alström, P. (2006): Species concepts and their application: insights from the genera Seicercus and Phylloscopus. Acta Zoologica Sinica 52 (Supplement): 429-434. fulltextArchivado el 4 de marzo de 2016 en Wayback Machine.
Alström, P. (2006): Species concepts and their application: insights from the genera Seicercus and Phylloscopus. Acta Zoologica Sinica 52 (Supplement): 429-434. fulltextArchivado el 4 de marzo de 2016 en Wayback Machine.