@article{MET_1962__5_175127,
     author = {Ludwig O.},
     title = {Kompendium der {Variationsstatistik} -  {Zimmermann,} {K.F.}},
     journal = {Metrika},
     pages = {58--60},
     year = {1962},
     volume = {5},
     url = {http://geodesic.mathdoc.fr/item/MET_1962__5_175127/}
}