On the centre of gravity and width of lattice-constrained convex sets in the plane. Hernández Cifre, M.A.; Scott, P.R.; Segura Gomis, S. — 1997 Beiträge zur Algebra und Geometrie
Note on Lattice-Point-Free Convex Bodies. M. Henk; P.R. Scott; Poh Wah Awyong — 1998 Monatshefte für Mathematik