Velum and epiglottis behavior during the production of Arabic pharyngeals and laryngeals: a fiberscopic study. - Ahmed M. Elgendy (ICSLP, 1992)

Restricted distribution of pharyngeal segments: acoustical or mechanical constraints? - Ahmed M. Elgendy (EUROSPEECH, 1993)

Mechanical versus perceptual constraints as determinants of articulatory strategy. - Ahmed M. Elgendy; Louis C. W. Pols (INTERSPEECH, 2001)