1. Elements of general phonetics;Abercrombie,1967
2. Visible speech: the science of universal alphabetics;Bell,1867
3. A laryngoscopic phonetic study of Nlaka'pamux (Thompson) Salish glottal stop, glottalized resonants, and pharyngeals;Carlson,2004
4. Phonation types: the classification of some laryngeal components of speech production;Catford,1964
5. Fundamental problems in phonetics;Catford,1977