@unpublished{publication-3654,
	author={Backes-Gellner, Uschi and Mure, Johannes},
	institution={University of Zurich},
	issn={1660-1157},
	number=56,
	pages=19,
	series={ISU Working Paper},
	title={The skill-weights approach on firm specific human capital: empirical results for Germany},
	year=2005,
}