@unpublished{publication-5757,
	author={Camerer, Colin F and Fehr, Ernst},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 97},
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Measuring social norms and preferences using experimental games: A guide for social scientists},
	year=2002,
}