Book Chapter
Aghababyan, K.; Bauer, H.-G.: Phylloscopus sindianus Mountain Chiffchaff. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 658 - 658 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)