Hughston, L. P. and Ward, R. S.    ed. <br/><br/>
Advances in twistor theory   

 - London  Pitman  1979 
 - 335p. Index, Bibl. 
 - Research notes in Mathematics   37 sub-series in Mathematical Physics .
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<br/><br/><label>Dewey Class. No.: </label>530.1  / H894.AT