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@article{VM_1999_1_1_a4, author = {Peter Hilton and Jean Pedersen}, title = {Symmetry in {Practice} - {Recreational} {Constructions}}, journal = {Visual Mathematics}, publisher = {mathdoc}, volume = {1}, number = {1}, year = {1999}, url = {http://geodesic.mathdoc.fr/item/VM_1999_1_1_a4/} }
Peter Hilton; Jean Pedersen. Symmetry in Practice - Recreational Constructions. Visual Mathematics, Tome 1 (1999) no. 1. http://geodesic.mathdoc.fr/item/VM_1999_1_1_a4/