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<referencetext xmlns="http://eprints.org/ep2/data/2.0">Akhvlediani, G. Introduction to Phonetics, Tbilisi, 1999;&#13;
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Elgendy, A.M., Pols, L.C.W., Mechanical versus perceptual constraints as determinants of articulatory strategy, Proceedings 24, Institute of Phonetic Sciences, University of Amsterdam, 2001, 65-74;&#13;
Elgendy, A.M., Mandibular aspects of pharyngeal co-articulation. Master Thesis, Institute of Linguistics, Stockholm University, Sweden, 1985;&#13;
Фант, Г., Акустическая теория речеобразования, М.: Наука, 1964</referencetext>
