@article {55,
	title = {A collection of Non-marine mollusks from Sabah, Malaysia},
	journal = {Sabah Society Journal},
	volume = {2},
	year = {1964},
	pages = {1-40},
	chapter = {1},
	author = {A. Solem}
}
@article {berry1963growth,
	title = {Growth and variation of the shell in certain malayan limestone hill snails},
	journal = {Journal of Molluscan Studies},
	volume = {35},
	number = {5},
	year = {1964},
	pages = {203{\textendash}206},
	publisher = {Malacological Soc London},
	author = {Berry, AJ}
}
@conference {berry1964reproduction,
	title = {The reproduction of the minute cyclophorid snail Opisthostoma (Plectostoma) retrovertens from a Malayan limestone hill},
	booktitle = {Proceedings of the Zoological Society of London},
	volume = {142},
	number = {4},
	year = {1964},
	pages = {655{\textendash}664},
	publisher = {Wiley Online Library},
	organization = {Wiley Online Library},
	author = {Berry, AJ}
}
