Becker, Howard. <br/><br/>
The descriptive set theory of Polish group actions / 
Howard  Becker, Alexander S. Kechris. 
 - New York :  Cambridge University Press,  c1996. 
 - 136 p. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. [122]-131) and index. 
<br/><br/><label>ISBN: </label>0521576059  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Polish spaces (Mathematics)<br/>Set theory.
<br/><br/><label>Dewey Class. No.: </label>514.32 BEC