@unpublished{publication-6292,
	author={Winter, Christoph},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 402},
	pages=58,
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Accounting for the Changing Role of Family Income in Determining College Entry},
	year=2011,
}