An Acoustical Analysis of Raven I. McDavid,Jr.'s,Pronunciation of Vowel Norms for the Linguistic Atlas of the United States and Canada

Clark, John , and Colin Yallop. 1995. An Introduction to Phonetics and Phonology. 2ded. Oxford, UK: Blackwell.

Davis, Lawrence M. , Charles L. Houck, and Brian B. Kelly. 1989. Easily Manipulatable Databases for Linguistic Atlases: Using Intergraph. Journal of English Linguistics 22:30-39.

Kurath, Hans , and Raven I. McDavid , Jr. 1961. The Pronunciation of English in the Atlantic States. Ann Arbor: University of Michigan Press.

Joos, Martin. 1948. Acoustic Phonetics Language 24:1-136.

Koenig, W. , H.K. Dunn , and L.Y. Lacy. 1946. The Sound Spectrograph. Journal of the Acoustic Society of America 18:19-49.

Labov, William. 1991. The Three Dialects of English. In New Ways of Analyzing Sound Change, edited by Penelope Eckert, 1-44. San Diego : Academic Press.

Ladefoged, Peter. 1993. A Course in Phonetics. 3d ed. Fort Worth, TX: Harcourt Brace .

Pickett, J.M. 1980. The Sounds of Speech Communication. Austin, TX: PRO-ED.