@misc{42,
  author = {Laycock, Donald C.},
  title  = {Notebook D20: Selected Research Papers of Don Laycock on Languages in Papua New Guinea. Don Laycock (compiler). n.d. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). paradisec.org.au/repository/DL2/items/031.},
  year   = {n.d.}
}