@book{Poppe-1991,
  address    = {Wiesbaden},
  author     = {Poppe, Nicholas},
  publisher  = {Harrassowitz},
  title      = {Grammar of Mongolian},
  year       = {1991},
  iso_code   = {khk},
  olac_field = {syntax; general_linguistics; semantics; typology},
  wals_code  = {kha}
}