@article{publication-6193,
	author={Frey, Bruno S},
	doi={10.5709/ce.1897-9254.15},
	issn={1897-9254},
	journal={Contemporary Economics},
	number=2,
	pages={90-99},
	publisher={VIZJA Press & IT},
	title={Punishment - and Beyond},
	volume=5,
	year=2011,
}