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Article type: Research Article
Authors: Karlberg, Martin
Affiliations: European Commission, Eurostat, L-2920 Luxembourg, Luxembourg. Tel.: +352 4301 35934; E-mail: martin.karlberg@ec.europa.eu
DOI: 10.3233/SJI-160980
Journal: Statistical Journal of the IAOS, vol. 32, no. 1, pp. 29-31, 2016