TY  - JOUR
AU  - E. Welzl
TI  - More on k-Sets of Finite Sets in the Plane.
JO  - Discrete & computational geometry
PY  - 1986
SP  - 95
EP  - 100
VL  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DCG_1986__1_130984/
ID  - DCG_1986__1_130984
ER  -