TY  - BOOK
AU  - Hughston, L. P. and Ward, R. S. 
AU  - Ward, R. S. ; jt. ed.
TI  - Advances in twistor theory
T2  - Research notes in Mathematics
U1  - 530.1 
PY  - 1979///
CY  - London
PB  - Pitman
ER  -