Architecture in the European Periphery: Crimea, Caucasus, and the Volga-UralRegion. Edited by Barbara Kellner-Heinkele, Joachim Gierlichs, & Brigitte Heuer
Unexpected Mitochondrial DNA Link, Achilli 2005[失效連結] A recent genetic link between Sami and the Volga-Uralregion of Russia, Ingman 2006 (页面存档备份,存于互联网档案馆)