@article {berry1966population,
	title = {Population structure and fluctuations in the snail fauna of a Malayan limestone hill},
	journal = {Journal of Zoology},
	volume = {150},
	number = {1},
	year = {1966},
	pages = {11{\textendash}27},
	publisher = {Wiley Online Library},
	author = {Berry, AJ}
}
