@book{Sundermann-1913b,
  address    = {The Hague},
  author     = {Sundermann, H.},
  publisher  = {M. Nijhoff},
  title      = {Niassische Sprachlehre},
  year       = {1913},
  iso_code   = {nia},
  olac_field = {phonology; phonetics; typology; general_linguistics},
  wals_code  = {nia}
}