TY  - JOUR
AU  - K. Mulmuley
TI  - On Levels in Arrangements and Voronoi Diagrams.
JO  - Discrete & computational geometry
PY  - 1991
SP  - 307
EP  - 338
VL  - 6
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DCG_1991__6_4_131161/
ID  - DCG_1991__6_4_131161
ER  -