The Maximum Size of a Convex Polygon in a Restricted Set of Points in the Plane. N. Alon; M. Katchalski; W.R. Pulleyblank — 1989 Discrete & computational geometry
Cutting Disjoint Disks by Straight Lines. N. Alon; M. Katchalski; W.R. Pulleyblank — 1989 Discrete & computational geometry