Milligan, Stephen <br/><br/>
Understanding ultrasonic level measurement / 
Stephen Milligan [and two others]. 
 - iii, 161 pages :  illustrations ;  22 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9781606504390  RM261.61 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ultrasonics.<br/>Level indicators author.