@article {931,
	title = {Anatomische und systematische Untersuchungen uber die Parmarioninen (Gastr. Pulm.).},
	journal = {Zool. Jahrb. (Syst.)},
	volume = {74},
	year = {1940},
	chapter = {1-156},
	author = {Hoffmann, H}
}
@article {436,
	title = {Notes on some specimens of the genus Atopos (Mollusca Pulmonata) with microphotographs illustrating points in the anatomy of the genus},
	journal = {Bulletin of the Raffles Museum},
	volume = {16},
	year = {1940},
	pages = {121-132},
	author = {Laidlaw, FF}
}
