@misc{7223,
  author = {Laycock, Donald C.},
  title  = {Notebook D13: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Imonda, Yuri, Biaka.ÊDon Laycock (compiler); Don Laycock (researcher). n.d. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). paradisec.org.au/repository/DL2/items/024.},
  year   = {n.d.}
}