%0 Journal Article %T Opportunity and chance. The introdution of sampling techniques in Portugal %A Nuno Madureira %J E-Journal of Portuguese History %D 2004 %I The University of Porto, Brown University %K Scientific culture and political culture %K history of statistics %K government techniques %K social meaning of index numbers %K disembodiment of knowledge %K opportunity sampling and random sampling %U http://www.brown.edu/Departments/Portuguese_Brazilian_Studies/ejph/html/issue2/pdf/madureira.pdf