Reference: Grawunder et al. 2010

Grawunder, Sven, Adrian Simpson & Madzhid Khalilov. 2010. Phonetic characteristics of ejectives–samples from Caucasian languages. In Turbulent sounds, 209–244. De Gruyter Mouton.

@incollection{grawunder2010phonetic,
  author    = {Grawunder, Sven and Simpson, Adrian and Khalilov, Madzhid},
  booktitle = {Turbulent sounds},
  pages     = {209–244},
  publisher = {De Gruyter Mouton},
  title     = {Phonetic characteristics of ejectives–samples from Caucasian languages},
  year      = {2010}
}