@article {drewes_helical_1993,
	title = {Helical Swimming in a Freshwater Oligochaete},
	journal = {The Biological Bulletin},
	volume = {185},
	number = {1},
	year = {1993},
	pages = {1{\textendash}9},
	author = {C. D. Drewes and C. R. Fourtner}
}
