Rensch et al. 1992

Rensch and R., Calvin and Decker, Sandra J. and and Hallberg, Daniel G. 1992. Sociolinguistic survey of Northen Pakistan 1. Languages of Kohistan. National Institute of Pakistani Studies, Quaid-i-Azam University, SIL.

@misc{3646,
  author = {Rensch and R., Calvin and Decker, Sandra J. and  and Hallberg, Daniel G.},
  title  = {Sociolinguistic survey of Northen Pakistan 1. Languages of Kohistan. National Institute of Pakistani Studies, Quaid-i-Azam University, SIL.},
  year   = {1992}
}