@misc{6840,
  author = {Lindfors and Anna-Lena and Nagler, Louise and  and Woodward, Mark},
  title  = {A sociolinguistic survey of the Nyiha and Nyika language communities in Tanzania, Zambia and Malawi (SIL electronic survey reports (SILESR) 2009-012). SIL International.},
  year   = {2009}
}