@article{ELMA_1960__15_140710,
     author = {W. Wunderlich},
     title = {Geometrische {Betrachtungen} um eine {Apfelschale.}},
     journal = {Elemente der Mathematik},
     pages = {60--66},
     publisher = {mathdoc},
     volume = {15},
     year = {1960},
     zbl = {0094.16105},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1960__15_140710/}
}