@article{ELMA_1978__33_141216,
     author = {Johann Berger},
     title = {Rektifizierbare vierdimensionale {Simplices.}},
     journal = {Elemente der Mathematik},
     pages = {107--115},
     publisher = {mathdoc},
     volume = {33},
     year = {1978},
     zbl = {0391.52003},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1978__33_141216/}
}