@misc{11983,
  author = {Marrison, Geoffrey E.},
  title  = {The classification of the Naga languages of North East India. Doctoral dissertation, University of London.; Weidert, Alfons K. 1987.ÊTibeto-Burman tonology: A comparative account. (Current Issues in Linguistic Theory, Vol. 54). Amsterdam and Philadelphia: John Benjamins Publishing Co.},
  year   = {1967}
}