Ladefoged and Traill 1980

Ladefoged, P. and Traill, T. 1980. The Phonetic Inadequacy of Phonological Specifications of Clicks. UCLA Working Papers in Phonetics 49. 1–27.

@article{ladefogedtraill1980,
  author  = {Ladefoged, P. and Traill, T.},
  journal = {UCLA Working Papers in Phonetics},
  pages   = {1–27},
  title   = {The Phonetic Inadequacy of Phonological Specifications of Clicks},
  volume  = {49},
  year    = {1980}
}