Dietz, D R <br/><br/>
Expanding-aperture annular array.  [electronic resource] 

 -  Ultrasonic imaging  Jan 1979 
 - 56-75 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0161-7346 
<br/><br/><label>Standard No.: </label>10.1177/016173467900100105  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ultrasonics--instrumentation