@article {1960,
	title = {Notes on the non-marine molluscs of Borneo 3. The genus Platycochlium (Gastropoda, Pulmonata, Streptaxidae)},
	journal = {BASTERIA},
	volume = {55},
	year = {1991},
	pages = {165-171},
	chapter = {165},
	author = {J.J. Vermeulen}
}
@article {1959,
	title = {Non-marine Molluscs of Borneo 1. Streptaxacea: Streptaxidae},
	journal = {Journal of Conchology},
	volume = {27},
	year = {1970},
	pages = {149-162},
	chapter = {149},
	author = {S.P. Dance}
}
