Roman N G Ed. <br/><br/>
Comparison of the  large-scale structure of the galactic system with that of REF stellar systems 
Roman N G Ed. 
 -  1958 
 - p.  cm. 
 - International astronomical union dublin .
<br/><br/><label>Standard No.: </label>25363 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Galaxies
<br/><br/><label>Dewey Class. No.: </label>B964z7, J8