De Las Peñas, M. L. A. N., & Bugarin, E. P. C. (2011). On bravais colorings associated with periodic and non-periodic crystals. Philippine Journal of Science.
Chicago-viite (17. p.)De Las Peñas, Ma. Louise Antonette N., ja Enrico Paolo C. Bugarin. "On Bravais Colorings Associated with Periodic and Non-periodic Crystals." Philippine Journal of Science 2011.
MLA-viite (9. p.)De Las Peñas, Ma. Louise Antonette N., ja Enrico Paolo C. Bugarin. "On Bravais Colorings Associated with Periodic and Non-periodic Crystals." Philippine Journal of Science, 2011.
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