@article{MET_1972__18_175504,
     author = {H. Witting},
     title = {Zur {Theorie} des {Rangtests.}},
     journal = {Metrika},
     pages = {137--144},
     publisher = {mathdoc},
     volume = {18},
     year = {1972},
     zbl = {0246.62057},
     url = {http://geodesic.mathdoc.fr/item/MET_1972__18_175504/}
}