%0 Journal Article
%A Enrique Del Castillo
%T Run Length Distributions and Economic Design of X Charts with Unknown Process Variance.
%J Metrika
%D 1996
%P 189-202
%V 43
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MET_1996__43_3_176650/
%F MET_1996__43_3_176650