@article{JGG_2020_24_2_JGG_2020_24_2_a7,
     author = {C. Kimberling and P. J. C. Moses },
     title = {Permutation {Ellipses}},
     journal = {Journal for geometry and graphics},
     pages = {233--247},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {2020},
     url = {http://geodesic.mathdoc.fr/item/JGG_2020_24_2_JGG_2020_24_2_a7/}
}