@book{gHeeschenEipo,
  author    = {Heeschen, Volker},
  pages     = {411},
  publisher = {Berlin: Dietrich Reimer},
  series    = {Mensch, Kultur und Umwelt im Zentralen Bergland von West-Neuguinea},
  title     = {An Ethnographic Grammar of the Eipo Language},
  volume    = {23},
  year      = {1998}
}