Tetley, Laurie. , <br/><br/>
Electronic navigation systems / 
Laurie Tetley, David Calcutt. 
 - 3rd ed. 
<br/><br/> Rev. edition of: Electronic aids to navigation. 1991 
<br/><br/><label>ISBN: </label>0750651385 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics in navigation.
<br/><br/><label>LC Class. No.: </label>VK560   / .T47 2001