Ward, R.S & Wells, R.O <br/><br/>
Twistor geometry & field theory 
R.S. Ward & R.O. Wells (Jr) 
 - Cambridge  Cambridge University Press  1990 
 - x  465 
 - Cambridge monographs on mathematical physics .
<br/><br/><label>Dewey Class. No.: </label>8.05+12.07  / WARD