Dubey, C. L.  <br/><br/>
Celestial navigation [solution] for deck officers /  
C. L. Dubey.  
 - 3rd ed.  
 - Mumbai :   Marine aid,   c2008.  
 - 203 p. ;   29 cm.  
<br/><br/><label>Subjects--Index Terms: </label>Plotting of position llines.  High altitude observation.  SMT Meridian observation.  
<br/><br/><label>Dewey Class. No.: </label>623.89  / DUB