Piggott, Derek <br/><br/>
Understanding gliding / 
by Derek Piggott 
 - 4th ed. 
 - London :  A and C Black,  2002. 
<br/><br/><label>ISBN: </label>071366147X  £ 17.99 
<br/><br/><label>Subjects--Index Terms: </label>Flight Gliding 
<br/><br/><label>Dewey Class. No.: </label>629.13231