@book{Shixuan-2001,
  address    = {München},
  author     = {Shixuan, Xu},
  publisher  = {Lincom Europa},
  title      = {The Bisu language},
  year       = {2001},
  iso_code   = {lwm; bzi},
  olac_field = {syntax; general_linguistics; typology},
  wals_code  = {biu}
}