Chains, Flowers, Rings and Peanuts: Graphical Geodesic Lines and Their Application to Penrose Tiling T. Ogawa, R. Collins (1999) Visual Mathematics
Counting perfect matchings in polyominoes with an application to the dimer problem P. John, H. Sachs, H. Zernitz (1987) Applicationes Mathematicae
Crystal lattices and sub-lattices J. L. Ericksen (1982) Rendiconti del Seminario Matematico della Università di Padova