Tetley, L.  1941- <br/><br/>
Electronic aids to navigation :  position fixing / 
L. Tetley, D. Calcutt. 
 - London :  E. Arnold,  1991. 
 - ix, 386 p. :  ill. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0340543809 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics in navigation.
<br/><br/><label>LC Class. No.: </label>VK560  / .T48 1991