@article{MET_1963__6_175181,
     author = {R. GUNZERT},
     title = {Stichprobenverfahren und {Regionalstatistik.}},
     journal = {Metrika},
     pages = {50--59},
     year = {1963},
     volume = {6},
     url = {http://geodesic.mathdoc.fr/item/MET_1963__6_175181/}
}