@article{publication-982,
	author={Backes-Gellner, Uschi and Janssen, S},
	doi={10.3790/aeq.55.1.83},
	issn={1611-6607},
	journal={Applied Economics Quarterly},
	number=1,
	pages={83-104},
	publisher={Duncker & Humblot},
	title={Skill obsolescence, vintage effects and changing tasks},
	volume=55,
	year=2009,
}