Authors: Powell, TW

Citation: Tw. Powell, Phonetic transcription of disordered speech, TOP LANG D, 21(4), 2001, pp. 52-72

Authors: Powell, TW Miccio, AW Elbert, M Brasseur, JA Strike-Roussos, C

Citation: Tw. Powell et al., Patterns of sound change in children with phonological disorders, CLIN LING P, 13(3), 1999, pp. 163-182