Murray, Alan <br/><br/>
Astro-navigation    from square one to ocean-master / Alan Murray.     

 - 2011 ed. 
 -  Bedfordshire, England : Authors On Line  2011 
 - xxii, 308 p. : ill.    25 cm. Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780755206483 
<br/><br/><label>LC Class. No.: </label>VK555 .M961 2011 
<br/><br/><label>Dewey Class. No.: </label>VK555 .M961 2011 
<br/><br/><label>National Library of Medicine Call No.: </label>VK555 .M961 2011