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

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

Also available remotely for University of the Philippines System via Cambridge University Press. Click here to access thru EZproxy
Available for University of the Philippines System via Cambridge University Press. Click here to access

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

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

Coloring symmetrical patterns per Rapanut, Teofina A.

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

The dynamics of ambiguity per Caglioti, Giuseppe

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

What is symmetryn per Sitomer, Mindel

Geometry and symmetry per Yale, Paul B.