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2. Archangeli, Diana and Douglas Pulleyblank (1994) Grounded Phonology, MIT Press, Cambridge, MA.
3. Barry, Martin C. (1992)“Palatalisation, Assimilation and Gestural Weakening in Connected Speech,”Speech Communication 11, 393-400.
4. Beckman, Jill (1998) Positional Faithfulness: An Optionality Theoretic Treatment of Phonological Asymmetries, Doctoral dissertation, University of Massachusetts, Amherst. [Published by Garland, New York, 1999]
5. Beckman, Mary E. and John Kingston (1990)“Introduction,”Papers in Laboratory Phonology I: Between the Grammar and Physics of Speech, ed. by John Kingston and Mary E. Beckman, 1-16, Cambridge University Press, Cambridge.