Rustad, M.E.H <br/><br/>
Black Holes 

 - Minnesota;  Capstone Press,  c2012 
 - 24 pages.;  Color illustrations  23 cm 
 - Pebble Plus .
<br/><br/>Includes Index 
<br/><br/><label>ISBN: </label>9781429675840 
<br/><br/><label>Dewey Class. No.: </label>523.8876 RUS