@article {67,
	title = {Catalogue des esp{\`e}ces appartenant au genre Opisthostoma, Blanford.},
	journal = {Journal de conchyliologie},
	volume = {27},
	year = {1879},
	pages = {193-198},
	chapter = {193},
	url = {http://www.biodiversitylibrary.org/item/54087$\#$page/209/mode/1up},
	author = {H. Crosse}
}
@article {68,
	title = {Faune malacologique de Perak (Indo-Chine)},
	journal = {Journal de conchyliologie},
	volume = {27},
	year = {1879},
	pages = {336-340},
	chapter = {336},
	url = {http://www.biodiversitylibrary.org/page/15928398$\#$page/357/mode/1up},
	author = {H. Crosse}
}
@article {68,
	title = {Mollusques nouveaux de perak (Indo-Chine)},
	journal = {Journal de conchyliologie},
	volume = {27},
	year = {1879},
	pages = {198-208},
	chapter = {198},
	url = {http://www.biodiversitylibrary.org/item/54087$\#$page/219/mode/1up},
	author = {H. Crosse}
}
