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@article{VM_2003_5_1_a2, author = {Jay Kappraff and Gary W. Adamson}, title = {A {Unified} {Theory} of {Proportion}}, journal = {Visual Mathematics}, publisher = {mathdoc}, volume = {5}, number = {1}, year = {2003}, url = {http://geodesic.mathdoc.fr/item/VM_2003_5_1_a2/} }
Jay Kappraff; Gary W. Adamson. A Unified Theory of Proportion. Visual Mathematics, Tome 5 (2003) no. 1. http://geodesic.mathdoc.fr/item/VM_2003_5_1_a2/