@article{ELMA_1973__28_141124,
     author = {Rolf Schneider},
     title = {Volumen und {Schwerpunkt} von {Polyedern.}},
     journal = {Elemente der Mathematik},
     pages = {137--141},
     year = {1973},
     volume = {28},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1973__28_141124/}
}