@Article{dke1996,
	author = 	{G. Neumann},
	title = 	{Reasoning about ER Models in a Deductive Environment},
	year = 	{1996},
	category = 	{NM, data modeling, logic programming},
	ps = 	{http://nm.wu-wien.ac.at/research/publications/dke1996.ps},
	pdf = 	{http://nm.wu-wien.ac.at/research/publications/dke1996.pdf},
	journal = 	{Data & Knowledge Engineering},
	volume = 	{16},
	number = 	{6},
	citationIndex = 	{WU-Rating: A},
}