@article {663,
	title = {Shell morphology, reproductive anatomy and genetic patterns of three species of apple snails of the genus Pomacea in Thailand.},
	journal = {Journal of Medical and Applied Malacology},
	volume = {2},
	year = {1990},
	pages = {46-62},
	author = {Keawjam, R. S. and Upatham, E. S.}
}
