Severny, A. <br/><br/>
Solar physics 
<label>/ by </label> Severny, A. 
<label>;</label> Yankovsky, G. 
 - Moscow  Foreign Languages Publishing House  1959 
 - 174p.  ill.  20 cm. 
<br/><br/> 234527 - Prof. H. Wijayathunga Collection 
<br/><br/>L 
<br/><br/><label>Dewey Class. No.: </label>523.7  / SEV