@INPROCEEDINGS{LohreyZetzsche2017a,
	AUTHOR		= {Lohrey, Markus and Zetzsche, Georg},
	TITLE		= {The Complexity of Knapsack in Graph Groups},
	YEAR		= {2017},
	PAGES		= {52:1--52:14},
	SERIES		= {Leibniz International Proceedings in Informatics (LIPIcs)},
	EDITOR		= {Heribert Vollmer and Brigitte Val{\'{e}}e},
	ADDRESS		= {Dagstuhl, Germany},
	PUBLISHER	= {Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik},
	VOLUME		= {66},
	BOOKTITLE	= {Proc. of the 34th International Symposium on Theoretical Aspects of Computer Science (STACS 2017)}
}