1. [ATZ] J. E. Avron, J. E. Taylor, and R. K. P. Zia, Equilibrium shapes of crystals in a gravitational field: crystals on a table,J. Statist. Phys. 33 (1983), 493–522.
2. [B1] H. Busemann, The isoperimetric problem for Minkowski area,Amer. J. Math. 71 (1949), 743–762.
3. [B2] H. E. Buckley,Crystal Growth, Wiley, New York (1951), pp. 442 and 534.
4. [C1] H. S. M. Coxeter, The classification of zonohedra by means of projective diagrams,J. Math. Pures Appl. 41 (1962), 137–156, reprinted with improvements inTwelve Geometric Essays, Southern Illinois University Press, Carbondale, IL. (1968).
5. [C2] H. S. M. Coxeter,Regular Polytopes. Dover, New York (1973), pp. 28–31.