@article{10_4153_CMB_1974_102_6,
     author = {Spohn, W. G.},
     title = {On the {Derived} {Cuboid}},
     journal = {Canadian mathematical bulletin},
     pages = {575--577},
     year = {1974},
     volume = {17},
     number = {4},
     doi = {10.4153/CMB-1974-102-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-102-6/}
}