Zink, R.M., Pavlova, A., Drovetski, S. V., Wink, M., & Rohwer, S. (2009). Taxonomic status and evolutionary history of the Saxicola torquata complex. — Molecular Phylogeny and Evolution. — 52: 769—773. Abstract.(англ.)
uni-heidelberg.de
Wink, M.; Sauer-Gürth, H., & Gwinner, E. (2002). Evolutionary relationships of stonechats and related species inferred from mitochondrial-DNA sequences and genomic fingerprinting. — British Birds 95: 349—355. PDF full text(англ.)