@article{JGG_2004_8_1_JGG_2004_8_1_a11,
     author = {E. Tsutsumi},
     title = {A {Mental} {Cutting} {Test} {Using} {Drawings} of {Intersections}},
     journal = {Journal for geometry and graphics},
     pages = {117--126},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {2004},
     url = {http://geodesic.mathdoc.fr/item/JGG_2004_8_1_JGG_2004_8_1_a11/}
}