@article{GDZPPN002454173, title = {Zur Wahl eines mehrstufigen Stichprobenplanes.}, journal = {Metrika}, volume = {21}, year = {1974}, pages = {175-196}, zbl = {0286.62075}, url = {http://dml.mathdoc.fr/item/GDZPPN002454173} }
COLLANI, E. von. Zur Wahl eines mehrstufigen Stichprobenplanes.. Metrika, Tome 21 (1974) pp. 175-196. http://gdmltest.u-ga.fr/item/GDZPPN002454173/