Text ( visual ) : unmediated Managing statistical confidentiality & microdata access : principles and guidelines of good practice / United Nations Economic Commission for Europe. Conference of European Statisticians. -- New York ; Geneva : United Nations , 2007. -- v, 102 p. ; 30 cm. -- ISBN 9789211169591 ; (BA82501125) ; https://ci.nii.ac.jp/ncid/BA82501125 Author Heading(s): Conference of European Statisticians