Phonetics Website
References
Recommended books
Instrumental Phonetics

Painter, C. (1979) An Introduction to Instrumental Phonetics. University Park Press.

BAKEN, R.J. (1987) Clinical Measurement of Speech and Voice. London: Taylor & Francis Ltd.

Ball, M. J. and Code, C. (Eds) (1997) Instrumental Clinical Phonetics. London: Whurr.

LADEFOGED, P. (2003) Phonetic Data Analysis. An Introduction to Fieldword and Instrumental Techniques. Oxford: Blackwell Publishing