Gauduchon, P (ed) Harmonic mappings, twistors & o -models proceedings of a colloque held from 9-13 June 1986, CIRM, Luminy, France Ed by P. Gauduchon - Singapore World Scientific 1988 - xix 368 - Advanced series in mathematical physics 4 . ISBN: 9971507293 Dewey Class. No.: 13.07 / GAUD