The elements of navigation and nautical astronomy : a textbook of navigation and nautical astronomy 
Cotter, Charles H. 
 - 3rd edition. 
 -  Brown, Son & Ferguson, Ltd, Nautical Publishers.  2017 
 - xvi, 544 pages 
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<br/><br/><label>ISBN: </label>978-1-84927-071-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nautical astronomy.
<br/><br/><label>Dewey Class. No.: </label>M 629.04 C847 2017