@inbook {ClementAndWurdack1991,
	title = {Rotifera},
	booktitle = {Microscopic Anatomy of Invertebrates},
	volume = {4: Aschelminthes},
	year = {1991},
	pages = {219{\textendash}297},
	publisher = {Wiley-Liss},
	organization = {Wiley-Liss},
	address = {New York},
	author = {Cl{\'e}ment, Pierre and Wurdak, Elizabeth},
	editor = {Harrison, Frederick W. and Ruppert, Edward E.}
}
