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@article{VM_2007_9_3_a1, author = {Izidor Hafner}, title = {4-piece {Dissection} of {Juel's} {Pyramid} to a {Triangular} {Prism}}, journal = {Visual Mathematics}, publisher = {mathdoc}, volume = {9}, number = {3}, year = {2007}, url = {http://geodesic.mathdoc.fr/item/VM_2007_9_3_a1/} }
Izidor Hafner. 4-piece Dissection of Juel's Pyramid to a Triangular Prism. Visual Mathematics, Tome 9 (2007) no. 3. http://geodesic.mathdoc.fr/item/VM_2007_9_3_a1/