@inbook{Felfernig2018,
	author          = {Alexander Felfernig and Nava Tintarev and Thi Ngoc Trang Tran and Martin Stettinger},
	title           = {Handbook on Group Recommender Systems},
	chapter         = {Explanations for Groups},
	publisher       = {Springer},
	year            = {2018},
	group           = {WIS}
}