Punsly, Brain <br/><br/>
Black hole gravitohydromagnetics   
by Brian Punsly 
 - Berlin  Springer  2001 
 - xii, 400p. 
 - Astronomy and astrophysics Library .
<br/><br/><label>ISBN: </label>3540414665 
<br/><br/><label>Dewey Class. No.: </label>523.8873  / P01