American practical navigator : an epitome of navigation 
Bowditch, Nathaniel. 
 - 1984 edition. 
 -  Defense Mapping Agency Hydrographic/Topographic Center.  1984 
 - xi, 1414 pages. 
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<br/><br/><label>ISBN: </label>9-71085586-7 
<br/><br/><label>Dewey Class. No.: </label>M 623.89 B67a 1984