InstitutionRat für Sozial- und Wirtschaftsdaten (RatSWD) (2)AuthorAskitas, Nikos (1)Bell, Mark W. (1)Castronova, Edward (1)Wagner, Gert G. (1)Zimmermann, Klaus F. (1)Date Issued2009 (2)Series
RatSWD Research Notes (2)
Volume40 (1)41 (1)Document Type
research report (2)
Keyworddata collection method (2)Erhebungsmethode (2)
Internet (2)
activity (1)Aktivität (1)...view moreReviewreviewed (2)Publication StatusPublished Version (2)