Christensen, Douglas A. <br/><br/>
Ultrasonic bioinstrumentation / 
D.A. Christensen. 
 - New York [etc.] :  John Wiley & Sons,  1988. 
 - xiii, 235 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0-471-60496-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diagnostic ultrasonic imaging--Instruments