Reference
Boris Krystufek, Haluk Kefelioglu (2001-2003): Redescription and species limits of Microtus irani Thomas, 1921, and description of a new social vole from Turkey (Mammalia: Arvicolinae) – Bonn zoological Bulletin - früher Bonner Zoologische Beiträge. – 50: 1 - 14.