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CURATOR
ADMINISTRATOR
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Quantitative data
Cross-section
GfK Switzerland
IPSO Sozial-, Marketing - und Personalforschung Zürich, Postfach, 8600 Dübendorf 1 Forschungsinstitut der Schweizerischen Gesellschaft für Marketing - GfM, Obermattweg 9, 6052 Hergiswil
