Tetley, L.  1941- <br/><br/>
Electronic navigation systems / 
Laurie Tetley and David Calcutt. 
 - 3rd edition. 
 - x, 423 pages :  illustrations ;  25 cm 
<br/><br/>Includes index. 
<br/><br/>
<br/><br/><label>ISBN: </label>0750651385 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics in navigation.
<br/><br/><label>Dewey Class. No.: </label>623.893