Stories of inventions and discoverues :  For the 9th form of the secondary school / 
Complier: B. Belitsky; A. Efinneko 
 - M. :  prosveshcheniye,  1970 
 - 126 p. 
<br/><br/><label>Subjects--Index Terms: </label>Truyện khoa học viễn tưởng 
<br/><br/><label>Dewey Class. No.: </label>823