@inproceedings{SAC-1997-Ritter,
	author        = "Norbert Ritter",
	booktitle     = "{Proceedings of the 12th Symposium on Applied Computing}",
	doi           = "10.1145/331697.331731",
	pages         = "158--165",
	publisher     = "{ACM}",
	title         = "{Group-authoring in CONCORDA DB-based approach}",
	year          = 1997,
}