@article {1827,
	title = {Die normale und regenerative Entwicklung des Copulationsapparates paludicoler Tricladen},
	journal = {Zoologischer Anzeiger},
	volume = {54},
	year = {1922},
	pages = {235-237},
	url = {http://www.biodiversitylibrary.org/item/94946$\#$page/253/mode/1up},
	author = {Roman Kenk}
}
