Nichols, A C <br/><br/>
Jitter and shimmer related to vocal roughness: a comment on the Deal and Emanuel study.  [electronic resource] 

 -  Journal of speech and hearing research  Sep 1979 
 - 670-1 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0022-4685 
<br/><br/><label>Standard No.: </label>10.1044/jshr.2203.670  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Speech Perception--physiology<br/>Voice<br/>Voice Quality