@book{37134,
	author = {Berger, Helmut. and SpringerLink (Online service)},
	title = {Monograph of the Urostyloidea (Ciliophora, Hypotricha)},
	publisher = {Springer Netherlands,},
	year = {2006.},
	series = {Monographiae Biologicae ;},
	address = {Dordrecht :},
	url = {http://dx.doi.org/10.1007/1-4020-5273-1}
}