Payne-Gaposchkin Cecilia <br/><br/>
Variable stars & galactic structure 

 -  1954 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>25351 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Galaxies
<br/><br/><label>Dewey Class. No.: </label>B9641, J4