@article {Baillieuxpscheund1998,
	title = {On-line determination of the velocity of simultaneously moving organisms by image analysis for the detection of sublethal toxicity},
	journal = {Water Research},
	volume = {32},
	number = {4},
	year = {1998},
	pages = {1027-1034},
	author = {M. Baillieux and Paul Scheunders}
}
