Wolko, Howard S. <br/><br/>
In the cause of flight :  technologists of aeronautics and astronautics / 
Howard S. Wolko. 
 - Washington :  Smithsonian Institution Press,  1981 
 - 121 p. ;  29 cm. 
 - Smithsonian studies in air and space ;  no. 4 .
<br/><br/> Includes index 
<br/><br/>Bibliography: p.117-118 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics--Biography.<br/>Rocketry--Biography.