Petersen, David,  <br/><br/>
Helicopters 

 - 45 pages :   colour illustrations ;   22 cm 
<br/><br/><label>ISBN: </label>0516016806 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Helicopters - Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>629.133352