Seifert, Hartmut (2004): Flexibility through working time accounts: reconciling economic efficiency and individual time requirements - Symposium "Working Time for Working Families Europe and the United States", American University Washington Office of the Friedrich Ebert Foundation and the Hans Böckler Foundation, 7 - 8 th June 2004 Washington DC
WSI-Diskussionspapier Nr. 130, Düsseldorf, 13 Seiten