BAHCALL(J N) & OSTRIKER(J P) Eds <br/><br/>
Unsolved problems in astrophysics 

 - New Jersey  Princeton University Press  1997 
 - Pbk. xiv p. + 377 
<br/><br/><label>ISBN: </label>0-691-01606-2 
<br/><br/><label>Source: </label>0492