@book{Andreev-1992,
  address    = {Cheboksary},
  author     = {Andreev, I. A.},
  publisher  = {Chuvashskoe knizhnoe izdatel'stvo},
  title      = {Uchebnik chuvashskogo jazyka dlja russkix},
  year       = {1992},
  iso_code   = {chv},
  olac_field = {typology; general_linguistics; syntax},
  wals_code  = {chv}
}