Asimov, Isaac, <br/><br/>
The collapsing universe  Textual Documents 
by Isaac Asimov 
 - New York:  The masterpieces of Science . 
 - 204p:  21cm. 
<br/><br/><label>Subjects--Index Terms: </label>Physics Astrophysics G-Physics 
<br/><br/><label>Dewey Class. No.: </label>530