Celestial navigation : a complete home study course 
Burch, David. 
 - 2nd. ed. 
 -  Starpath Publications ,  2019 
 - 296 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>978-0-914025-46-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nautical astronomy.
<br/><br/><label>Dewey Class. No.: </label>623.89 B9471 2019