1. Geometry, which before the origin of things was coeternal with the divine mind and is God himself (for what could there be in God which would not be God himself?), supplied God with patterns for the creation of the world, and passed over to Man along with the image of God. J. Kepler in Harmonices Mundi, Linz, 1619, translated as “The Harmony of the World”
2. Three-periodic nets and tilings: regular and quasiregular nets
3. Reticular Chemistry Structural Resource, http:/rcsr.anu.edu.au.