@book{Anderson-and-Harrison-1999,
  address    = {München},
  author     = {Anderson, Gregory D. S. and Harrison, K. David},
  publisher  = {Lincom Europa},
  series     = {Languages of the World/Materials},
  title      = {Tyvan},
  volume     = {257},
  year       = {1999},
  iso_code   = {tyv},
  olac_field = {phonology; general_linguistics; typology; phonetics; morphology; syntax; semantics},
  wals_code  = {tuv}
}