Rosenberg, David. <br/><br/>
The Nature of The Universe: Modern Cosmology, Vol-13 /  

 - First Ed. /  
 - Louisville :   Touchstone Publishing Company ,   1964 
 - p.191 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Not Entered
<br/><br/><label>Dewey Class. No.: </label>A  / L2.13