@unpublished{publication-14658,
	author={Heilert, Daniela and Kaul, Ashok},
	institution={University of Zurich},
	issn={1664-7041},
	number=245,
	pages=103,
	series={Working paper series / Department of Economics},
	title={Smoking behaviour in Germany: evidence from the SOEP},
	year=2017,
}