Penrose, Roger. <br/><br/>
Spinors and space-time :  .  Volume  2, spinor and twistor methods in space-time geometry / 
Roger Penrose, Wolfgang Rindler. 
 - [S.l.] :  Cambridge University Press,  1988. 
 - 512 p. ;  23 cm. 
 - Cambridge monographs on mathematical physics. .
 - Cambridge monographs on mathematical physics. .
<br/><br/><label>ISBN: </label>0521347866 9780521347860 
<br/><br/><label>Dewey Class. No.: </label>530.11