Becker, Howard <br/><br/>
The descriptive set theory of Polish group actions  / 

 - Cambridge:  Cambridge University Press,  1996 
 - xi, 136 p. Index 
 - London Mathematical society lecture note series ; 232 .
<br/><br/> "Purchased under NBHM grant for the year 1996-97" 
<br/><br/><label>Dewey Class. No.: </label>513  / B395.DS