@book{Heine1999,
author={Heine, Bernd},
year={1999},
title={Ik dictionary},
address={Köln},
publisher={Rüdiger Köppe Verlag}
}

@book{Schrock2014,
author={Schrock, Terrill},
year={2014},
title={A grammar of {Ik} ({Icé-tód}): {N}ortheast {Uganda}’s last thriving {Kuliak} language},
address={Utrecht},
publisher={LOT}
}

@book{Schrock2015,
author={Schrock, Terrill},
year={2015},
title={A guide to the developing orthography of {Icetod}},
publisher={SIL Uganda and the Ik Agenda Development Initiative},
address={Lokinene}
}