Smith, Gerry <br/><br/>
Coastal navigation :  a programmed learning course / 
Gerry Smith 
 - London :  Elek,  1977 
 - vii, 182 p. :  ill., charts, facsims., maps ;  25cm 
<br/><br/><label>ISBN: </label>0236401122 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coastwise navigation--Programmed instruction