Sahlberg , Bengt. <br/><br/>
LTA Lighter than air. Final report 1985. A feasibility study 

 - Suecia :   STU,   1986. 
 - 52 p. 
 - STU Information, 553 .
<br/><br/><label>ISBN: </label>917850130x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AERONAVES<br/>DIRGIBLES<br/>ZEPPELINS
<br/><br/><label>Universal Decimal Class. No.: </label>629.134