On k + -neighbour packings and one-sided Hadwiger configurations. Bezdek, Károly; Brass, Peter — 2003 Beiträge zur Algebra und Geometrie
On point sets fixing a convex body from within. Braß, Peter; Herburt, Irmina — 1997 Beiträge zur Algebra und Geometrie
Maximum convex hulls of connected systems of segments and of polyominoes. Bezdek, Károly; Braß, Peter; Harborth, Heiko — 1994 Beiträge zur Algebra und Geometrie