Dettweiler and Dettweiler 2003

Dettweiler, Stephen H. & Sonia G. Dettweiler. 2003. Sociolinguistic survey of the Duka (Hun-Saare) people. SIL International.

@misc{3492,
  author = {Dettweiler, Stephen H. and Dettweiler, Sonia G.},
  title  = {Sociolinguistic survey of the Duka (Hun-Saare) people. SIL International.},
  year   = {2003}
}