Marine navigation : piloting and celestial and electronic navigation 
Hobbs, Richard R. 
 - fourth edition. 
 -  Naval Institute Press.  1998 
 - xvi, 677 pages. 
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<br/><br/><label>ISBN: </label>1-55750-381-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nautical astronomy.
<br/><br/><label>Dewey Class. No.: </label>M 623.89 H65m 1998