@misc{4367,
  author = {Rensch and R., Calvin and Hallberg, Calinda E. and  and O'Leary, Clare F.},
  title  = {Sociolinguistic survey of Northern Pakistan 3: Hindko and Gujari. SIL and National Institute of Pakistani Studies, Quaid-i-Azam University.},
  year   = {1992}
}