@book{dryerorder-hhsDempwolffJabem,
  author    = {Dempwolff, Otto},
  key       = {Dempwolff 1939},
  publisher = {Hamburg: Friederichsen, de Gruyter},
  title     = {Grammatik der Jabêm-sprache auf Neuguinea},
  year      = {1939}
}