https://www.mpib-berlin.mpg.de/265377/04_research_report_2008_buch.pdf (beliebiger Volltext)
04_research_report_2008_buch.pdf (beliebiger Volltext), 11MB
Max Planck Institute for Human Development, Max Planck Society (Ed.).(2009). Research report 2007-2008. Berlin: Max Planck Institute for Human Development.