00000nam a2200000 a 4500 20251203110218.0 0582004659 516.35 MAS Mason,L.J. Further advances of twistor;v 2 integrable systems, conformal geometry and gravitation New York Longman Scientific&Technical 1995 272p. 22cm. Pitman research notes in mathematics series 232 Twistor theory Hughston,L.P. Kobak,P.Z. ENG 516 PB _ 98189 LIBSC C 81849 81849 0 0 0 0 PU PU 2001-01-11 2963.96 0 516.35 MAS 98189 BK