K. Pulverer; L. Hughston; P.Z. Kobak; L.J. Mason <br/><br/>
Further Advances in Twistor Theory, Volume III  Curved Twistor Spaces 

 -  Taylor and Francis  2001 
<br/><br/><label>ISBN: </label>9780429187698 
<br/><br/><label>Source: </label>EBOOK