@article {_discussion_1999,
	title = {Discussion},
	journal = {Information Processing \& Management},
	volume = {35},
	number = {3},
	year = {1999},
	note = {00442},
	month = {may},
	pages = {227{\textendash}243},
	issn = {0306-4573},
	doi = {10.1016/S0306-4573(98)00059-4},
	url = {http://www.sciencedirect.com/science/article/pii/S0306457398000594}
}