Diskussionspapiere extern
Annelies G. Blom, Peter Lynn, Annette Jäckle
Colchester: University of Essex, Institute for Social and Economic Research, 2008, (ISER Working Paper No. 2008-01)
Externer Link:https://www.iser.essex.ac.uk/research/publications/working-papers/iser/2008-01.pdf