Most Economical (2B)

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Cross Reference

Cross-References

• Scheme of Reference, 24 Sep'73
• Short Cuts, 9 May'57
• Sphere, Jun'66; 9 Jul'62
• Tetrahedron, 1960
• Tetrahedron as Conceptual Model, 28 Jan'73
• Time Vector, 24 Sep'73
• XYZ Coordinate System, (1)
• Gravity, 23 Sep'73
• Six Degrees of Freedom, Dec'71
• Symmetry & Asymmetry, 13 Nov'75