Tetley, Laurie. <br/><br/>
Electronic navigation systems / 
Laurie Tetley and David Calcutt. 
 - 3rd ed. 
 - Amsterdam :  Elsevier Butterworth-Heinemann,  2001. 
 - x, 423 p. :  ill. ;  24 cm. 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>0750651385 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic navigation systems.