%0 Journal Article
%T Tests of certain types of ignorable nonresponse in surveys subject to item nonresponse or attrition
%A Sherman, Robert P.
%D 2000
%P 362-374
%J American Journal of Political Science
%V 44
%I 2
%2 ISSN: 0092-5853
%U http://www.jstor.org/stable/2669317