Beasley and Pike 1957

Beasley, D. and Pike, K. L. 1957. Notes on Huambisa Phonemics. Lingua Posnaniensis 6. 1–8.

@article{beasleypike1957,
  author  = {Beasley, D. and Pike, K. L.},
  journal = {Lingua Posnaniensis},
  pages   = {1–8},
  title   = {Notes on Huambisa Phonemics},
  volume  = {6},
  year    = {1957}
}