@article{Roberts-1990,
  author     = {Roberts, John R.},
  journal    = {Journal of Linguistics},
  pages      = {363-401},
  title      = {Modality in Amele and other Papuan languages},
  volume     = {26},
  year       = {1990},
  iso_code   = {aey},
  olac_field = {typology; general_linguistics; syntax},
  wals_code  = {ame}
}