@article {papaioannou2016optimal,
	title = {Optimal design of serious games for consumer engagement in the smart grid},
	journal = {IEEE Transactions on Smart Grid},
	volume = {9},
	number = {2},
	year = {2016},
	pages = {1241{\textendash}1249},
	publisher = {IEEE},
	author = {Papaioannou, Thanasis G and Hatzi, Vassiliki and Koutsopoulos, Iordanis}
}
