Tetley, L.   1941- <br/><br/>
Electronic aids to navigation :  position fixing /  [Book]. 
L. Tetley, D. Calcutt.  
 - London :   E. Arnold,   1991. 
 - ix, 386 p. :   ill. ;   25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0340543809 
<br/><br/><label>LCCN: </label>92200943 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics in navigation.