Olsen, Oddmund. <br/><br/>
Electronic navigation systems / 
Oddmund Olsen . 
 - 1st ed. 
 - Norway :  Poseidon ,  1999 . 
 - 212 p :  ill .  30 cm. 
<br/><br/> Rev. ed. of: Electronic aids to navigation. 1999. 
<br/><br/><label>ISBN: </label>8291839050 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics in navigation
<br/><br/><label>LC Class. No.: </label>VK560