@article {Wolfpscheund1998,
	title = {Evaluation of the swimming activity of Daphnia magna by image analysis after administration of sublethal Cadmium concentrations},
	journal = {Comparative Biochemistry and Physiology A},
	volume = {120},
	year = {1998},
	pages = {99-105},
	author = {G. Wolf and Paul Scheunders}
}
