Boothby, F. L. M.  <br/><br/>
Commercial airship design /  
F. L. M. Boothby ; Institution of Aeronautical Engineers. 
 - London :   Institution of Aeronautical Engineers,   [1924?]. 
 - 40 p. 
<br/><br/> Published in no. 13 of the Minutes of proceedings of the Institution. 
<br/><br/><label>Subjects--Index Terms: </label>ტრანსპორტი საჰაერო ტრანსპორტი 
<br/><br/><label>Universal Decimal Class. No.: </label>656.7