Gunston, Bill. <br/><br/>
Helicopters at war / 
[by Bill Gunston ; illustrated by John Batchelor]. 
 - London ;  New York :  Hamlyn,  1977. 
 - 127 p :  ill ;  31 cm 
<br/><br/><label>ISBN: </label>0600345300 9780600345305 
<br/><br/><label>Nat. Bib. No.: </label>GB7719449  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Helicopters.<br/>Air warfare.
<br/><br/><label>LC Class. No.: </label>UG1230  / .G96