https://www.mpib-berlin.mpg.de/349233/07_research_report_2001_buch.pdf (Any fulltext)
07_research_report_2001_buch.pdf (Any fulltext), 4MB
Max Planck Institute for Human Development, Max Planck Society (Ed.).(2003). Research report 2001-2002. Berlin: Max Planck Institute for Human Development.