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@article{VM_1999_1_4_a2, author = {Michael Leyton}, title = {Group {Theory} and {Architecture,} 2: {Why} {Symmetry/Asymmetry?}}, journal = {Visual Mathematics}, publisher = {mathdoc}, volume = {1}, number = {4}, year = {1999}, url = {http://geodesic.mathdoc.fr/item/VM_1999_1_4_a2/} }
Michael Leyton. Group Theory and Architecture, 2: Why Symmetry/Asymmetry?. Visual Mathematics, Tome 1 (1999) no. 4. http://geodesic.mathdoc.fr/item/VM_1999_1_4_a2/