Burch, David <br/><br/>
Emergency navigation :  find your position and shape your course at sea even if your instruments fail / 
David Burch 
 - 2nd ed. 
 - Camden, Me. :  International Marine / McGraw-Hill,  c2008 
 - xv, 268 p. :  ill., maps ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 250-259) and index 
<br/><br/><label>ISBN: </label>0071481842 (pbk. : alk. paper) 9780071481847 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Navigation