@article{AM2_1987__34_137246,
     author = {Roswitha Blind and P. Mani-Levitska},
     title = {Puzzles and polytope isomorphisms.},
     journal = {Aequationes mathematicae},
     pages = {287--297},
     year = {1987},
     volume = {34},
     zbl = {0634.52005},
     url = {http://geodesic.mathdoc.fr/item/AM2_1987__34_137246/}
}