%0 Journal Article
%T Tracking opinion over time: A method for reducing sampling error
%A Green, Donald P.
%A Gerber, Alan S.
%A Boef, Suzanna L. de
%D 1999
%R 10.1086/297710
%P 178-192
%J Public Opinion Quarterly
%V 63
%I 2
%2 ISSN: 0033-362X