%0 Journal Article %A Wojciech Niemiro %A Jacek Weso/lowski %T Fixed precision optimal allocation in two-stage sampling %J Applicationes Mathematicae %D 2001 %P 73-82 %V 28 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am28-1-5/ %R 10.4064/am28-1-5 %G en %F 10_4064_am28_1_5