TY  - JOUR
AU  - Ian Morrison
TI  - Projective Stability of Ruled Surfaces.
JO  - Inventiones mathematicae
PY  - 1980
SP  - 269
EP  - 304
VL  - 56
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1980__56_142700/
ID  - IM_1980__56_142700
ER  -