@misc{1918,
  author = {Purnell, Greg},
  title  = {Dia (Alu) wordlist, West Sepik Province. Ukarumpa: SILPNG Language Archives.; No Author. No date. Dia: Notes on Wordlists: West Sepik - Yuwil etc. Ukarumpa: SILPNG Language Archives.},
  year   = {1987}
}