Acoustic Properties of Dutch Steady-state Vowels: Contextual Effects and a Comparison with Previous Studies. - Jan-Willem van Leussen; Daniel Williams 002; Paola Escudero (ICPhS, 2011)

Beyond North American English: modelling vowel inherent spectral change in British English and Dutch. - Daniel Williams 002; Jan-Willem van Leussen; Paola Escudero (ICPhS, 2015)

Perceptual Sensitivity to Spectral Change in Australian English Close Front Vowels: An Electroencephalographic Investigation. - Daniel Williams 002; Paola Escudero; Adamantios I. Gafos (INTERSPEECH, 2018)