Gardner, Alan Clive. <br/><br/>
Navigation / 
by A. C. Gardner 
 - 2d ed. 
 - London :  Hodder & Stoughton,  1973. 
 - 208 p. :  ill. ;  18 cm. 
 - Teach yourself books .
 - Teach yourself books .
<br/><br/>Includes index. Bibliography: p. 206 
<br/><br/><label>ISBN: </label>0340056681 (pbk) 0340265000 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Navigation
<br/><br/><label>Dewey Class. No.: </label>623.89  / GAN 1987