Reference: Russell 1997

Russell, Susan Marie. 1997. Some acoustic characteristics of word initial pulmonic and glottalic stops in Mam. Theses (Dept. of Linguistics)/Simon Fraser University dissertation.

@phdthesis{russell1997mam,
  author = {Russell, Susan Marie},
  school = {Theses (Dept. of Linguistics)/Simon Fraser University},
  title  = {Some acoustic characteristics of word initial pulmonic and glottalic stops in Mam},
  year   = {1997}
}