reference data - packing

• 3 d particle pack by Tungsten Spheres.

• the 48 special crystal forms by University of Wisconsin.

• cell aggregation and sphere packing.  by M. Beals, L. Gross, S. Harrell.

• close packing by Steven Dutch.

• collapse in a driven granular mono-layer by Georgetown University.

• constructing polyhedra from repelling points on a sphere by Simon Tathum.

• distributing points on a sphere  by Paul Bourke.

• equation of a sphere from 4 points by Paul Bourke.

• Erich's packing center  by Erich Friedman.

• geodesic dome software by Applied Synergetics.

• Making matter: magnets by M. Hewat.

• making matter packing by M Hewat.

• mapping projections onto convex polyhedron  by Izidor Hafner and Tomislav Zitgo.

• min-energy considerations of electrons on a sphere  by MathPages.

• modelling with spheres  by Paul Bourke.

• N points on a sphere - collection of links  by Anton Sherwood.

• partitioning space by Wearie-Phalen.

• Planes of symmetry by Amy C. Edmondson.

• points on a sphere by Martin Trump.

• quasi crystals by P. Guyot.

• Spherical coordinates by mathworld.

• sphere generation  by Paul Bourke.

• Sphere packing  by mathworld.

• spherical virus by Gregory Morgan.

• structures of simple organic by Dr. S.J. Heyes.