@inproceedings{gamichi,
	author = {S. Scheider and P Kiefer and P. Weiser and M. Raubal and C. Sailer},	
	title = {Score design for meaningful gamification},
	url={http://gamification-research.org/wp-content/uploads/2014/11/GAMICHI15_scheider_et_al.pdf},
	booktitle = {Online Proceedings of CHI 2015. Gamifying Research: Strategies, Opportunities, Challenges and Ethics},
	address = {Seoul, Korea},
	year = 2015
}