@book {1751,
	title = {Die Planarien des Baikal-Sees (Tricladen), systematisch, anatomisch und zoogoegraphisch bearbeitet},
	series = {Wissenschaftliche Ergebnisse einer zoologischen Expedition nach dem Baikal-See unter Leitung des Professors Alexis Korotneff in den Jahren 1900-1902 },
	volume = {5},
	year = {1912},
	address = {Kiev and Berlin},
	url = {https://archive.org/details/wissenschaftlich05koro},
	author = {Korotnev, Aleksei Alekseevich}
}
@article {629,
	title = {Index to the genera and species of the freshwater triclads (Turbellaria) of the world},
	number = {183},
	year = {1974},
	doi = {https://doi.org/10.5479/si.00810282.183},
	url = {https://repository.si.edu/handle/10088/5332},
	author = {Roman Kenk}
}
