Ynion, Eugenio J. <br/><br/>
Terrestrial navigation 2 / 
Eugenio J. Ynion. 
 - vi, 116 pages ;. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>971-0306-06-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Navigation.