Lewellen, John <br/><br/>
The Earth Satellite :  Man's First True Space Adventure / 
J. Lewellen; Ill. I. Scheib; Foreword by J. P. Hagen. 
 - New York :  Knopf,  1957. 
 - 59 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural sciences<br/>Աստղագիտություն
<br/><br/><label>Subjects--Index Terms: </label>Artificial satellites