Zhdanov, G. <br/><br/>
Rays from the Depths of Space 

 - Moscow:  Foreign language,  1958. 
 - 146p.;  ill.;  25cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy & allied sciences<br/>Mahinda Ranaweera Collection
<br/><br/><label>Dewey Class. No.: </label>520  / ZHD