TY  - JOUR
AU  - M. Sharir
AU  - B. Aronov
TI  - Castles in the Air Revisited.
JO  - Discrete & computational geometry
PY  - 1994
SP  - 119
EP  - 150
VL  - 12
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DCG_1994__12_1_131322/
ID  - DCG_1994__12_1_131322
ER  -