Petruševski VM, Kalajdžievski S. Heptagonal quasicrystals: Construction of 2D lattices and demonstrations using laser pointers – Concluding part. Maced. J. Chem. Chem. Eng. [Internet]. 2023 Jul. 1 [cited 2024 May 1];42(1):127-31. Available from: https://mjcce.org.mk/index.php/MJCCE/article/view/2675