@article{MET_1970__15_175423,
     author = {H. Bandemer},
     title = {Zur n\"aherungsweisen {Bestimmung} des optimalen {Stichprobenumfanges}},
     journal = {Metrika},
     pages = {97--104},
     year = {1970},
     volume = {15},
     zbl = {0196.22303},
     url = {http://geodesic.mathdoc.fr/item/MET_1970__15_175423/}
}