@book{komissarov1911,
  address = {Kazan'},
  author  = {Komissarov, G. I.},
  key     = {Komissarov (1911)},
  title   = {Chuvashi Kazanskogo Zavolzh'ja (The Chuvash of the Kazan' Trans-Volga Region)},
  year    = {1911}
}