@book {171,
	title = {Die Familie der Heliceen},
	series = {Systematisches Conchylien I {\textendash} Cabinet von Martini und Chemnitz},
	year = {1905},
	pages = {861{\textendash}1225},
	author = {W. Kobelt},
	editor = {H.C. K{\"u}ster and W. Kobelt}
}
@article {625,
	title = {Helicinenstudien. Monographie der genera Palaeohelicina A.J.Wagner und Helicina Lamarck},
	journal = {Denkschriften der Kaiserlichen Akademie der Wissenschaften},
	volume = {77},
	year = {1905},
	pages = {357-450},
	chapter = {357},
	author = {A.J. Wagner}
}
@article {220,
	title = {On new species of Helicarion, Ariophanta, Eulota, Cyclotus (Eucyclotus), Lagochilus, and Diplommatina (Gastropoda)},
	journal = {The annals and magazine of natural history, including zoology, botany and geology},
	volume = {7},
	year = {1905},
	pages = {91-94},
	chapter = {91},
	url = {http://www.biodiversitylibrary.org/item/63423},
	author = {H.C. Fulton}
}
