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Den Haag: Sociaal en Cultureel Planbureau, 2000
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Elsevier BV, 1991
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Elsevier BV, 1983
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Elsevier BV, 1998
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SAGE Publications, 2006
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Oxford University Press in association with the European Consortium for Sociological Research, 2005
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Informa UK Limited, 1998
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Association for Research in Vision and Ophthalmology (ARVO), 2008