@article {41,
	title = {Descriptions of a new species of Opisthostoma from Borneo},
	journal = {Proceedings of the Malacological Society of London},
	volume = {6},
	year = {1904},
	pages = {105},
	chapter = {105},
	url = {http://www.biodiversitylibrary.org/item/52315$\#$page/135/mode/1up},
	author = {E.A. Smith}
}
@article {51,
	title = {Description of a new species of Opisthostoma from North Borneo},
	journal = {The annals and magazine of natural history, including zoology, botany and geology},
	volume = {7},
	year = {1905},
	pages = {360},
	chapter = {360},
	url = {http://biodiversitylibrary.org/item/63423$\#$page/404/mode/1up},
	author = {E.A. Smith}
}
@article {704,
	title = {Description of a new species of Opisthostoma from North Borneo},
	journal = {Proceedings of the Malacological Society of London},
	volume = {6},
	year = {1905},
	pages = {105},
	chapter = {105},
	url = {http://www.biodiversitylibrary.org/item/52315$\#$135},
	author = {E.A. Smith}
}
