Hobbs, Richard R <br/><br/>
Marine Navigation 2: Celestial and electronic 

 - 2 
 - Maryland  Naval Institute Press  1981 
 - xiii, 343p.  Hb 
<br/><br/><label>ISBN: </label>0870213636 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Navigation
<br/><br/><label>Dewey Class. No.: </label>623.89 HOB