1. Zonotopal complexes on the d-cube;Halsey,1972
2. An extremum problem with inequalities as subsidiary conditions;John;Courant Anniversary Volume,1948
3. Diagrams for centrally symmetric polytopes;McMullen;Mathematika,1968
4. The closest packing of spherical caps in n-dimensions;Rankin,1954
5. Neighbourliness of centrally symmetric polytopes in high dimensions;Schneider;Mathematika,1975