Walker, Rachel. 1999. Guaraní Voiceless Stops in Oral versus Nasal Contexts: An Acoustical Study. Journal of the International Phonetic Association 29. 63-94.
@article{Walker-1999, author = {Walker, Rachel}, journal = {Journal of the International Phonetic Association}, number = {1}, pages = {63-94}, title = {Guaraní Voiceless Stops in Oral versus Nasal Contexts: An Acoustical Study}, volume = {29}, year = {1999} }