1. Cry motions of the newborn infant;Bosma;Acta Paediat. Scand. Suppl.,1965
2. Voice measures of psychological stress—Laboratory and field data;Brenner;Paper presented at the Iowa Conference on Physiology and Biophysics of Voice,1983
3. Frequency perturbation in normal speakers: Descriptive and methodological study;Casper;ASHA,1984
4. Psychological Stress Evaluator;Dektor, Inc.,1973
5. Experimental Phonetics;Fairbanks,1960