@article{ELMA_1971__26_141011,
     author = {H. Hadwiger and R. Schneider},
     title = {Vektorielle {Integralgeometrie.}},
     journal = {Elemente der Mathematik},
     pages = {49--57},
     publisher = {mathdoc},
     volume = {26},
     year = {1971},
     zbl = {0216.44003},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1971__26_141011/}
}