1. Model for the specification of the vocal-tract area function;Coker;Journal of the Acoustical Society of America,1966
2. Engwall, O. 2000, Dynamical aspects of coarticulation in Swedish fricatives—a combined EMA & EPG study, Quarterly progress and status report (TMH-QPSR), Department of Speech, Music and Hearing at KTH, 4/2000, 49, 73
3. The acoustic theory of speech production;Fant,1970
4. Fitzpatrick, L. 2001, Analysis of lingual articulation using electropalatography and electromagnetic articulography, Trinity College, Dublin
5. Human speaker nomograms using EMA data;Fitzpatrick;Proceedings of the 14th international congress of phonetic sciences,1999