Transitive perfect colorings of 2-uniform tilings di Felix, Rene P.

Structure of materials an introduction to crystallography, diffraction, and symmetry di De Graef, Marc, McHenry, Michael E.

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Available for University of the Philippines System via Cambridge University Press. Click here to access

Colorings of regular tilings with a singular center di Evidente, Imogene

Structure of materials an introduction to crystallography, diffraction and symmetry di De Graef, Marc, McHenry, Michael E.

Coloring symmetrical patterns di Rapanut, Teofina A.

Symmetry in science an introduction to the general theory di Rosen, Joe, 1937-

The dynamics of ambiguity di Caglioti, Giuseppe

Geodel, Escher, Bach an eternal golden braid di Hofstadter, Douglas R. 1945-

What is symmetryn di Sitomer, Mindel

Geometry and symmetry di Yale, Paul B.