Asimov, Isaac. <br/><br/>
The left hand of the electron. 

 - New York :  Doubleday,  1972. 
 - 225 p. :  ill. 
<br/><br/><label>LCCN: </label>75181479 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Addresses and essays.
<br/><br/><label>Dewey Class. No.: </label>508