@article{MET_1973__20_175612,
     author = {E. Landh\"au{\ss}er},
     title = {Formtest r\"aumlicher {Punkthaufen} bei beliebiger {Population.}},
     journal = {Metrika},
     pages = {240--244},
     publisher = {mathdoc},
     volume = {20},
     year = {1973},
     zbl = {0271.62014},
     url = {http://geodesic.mathdoc.fr/item/MET_1973__20_175612/}
}