Reference: Everett 1998

Everett, Keren Madora. 1998. The acoustic correlates of stress in Pirahã. The Journal of Amazonian Languages 1(2). 104–162.

@article{everett1998acoustic,
  author  = {Everett, Keren Madora},
  journal = {The Journal of Amazonian Languages},
  number  = {2},
  pages   = {104–162},
  title   = {The acoustic correlates of stress in Pirahã},
  volume  = {1},
  year    = {1998}
}