@inproceedings{HT-ECHT-1992-AmannS,
	author        = "Bernd Amann and Michel Scholl",
	booktitle     = "{Proceedings of the European Conference on Hypertext Technology}",
	cdrom         = "ECHT1992/P201.pdf",
	doi           = "10.1145/168466.168527",
	isbn          = "0-89791-547-X",
	pages         = "201--211",
	publisher     = "{ACM}",
	title         = "{Gram: A Graph Data Model and Query Language}",
	year          = 1992,
}