1. Estimation of nonresponse bias in the European social survey: Using Information from reluctant respondents;J Billiet;Journal of Official Statistics (JOS),2007
2. The use of contact data in understanding crossnational differences in unit non-response;A G Blom;Survey Methods in Multinational, Multiregional, and Multicultural Contexts,2010
3. Survey design features correlates of nonresponse;S L Bottman;Proceedings of the Survey Research Methods Section of the American Statistical Association,1992