@inbook {620,
	title = {The biology of golden snail in relation to Philippine conditions},
	booktitle = {Environmental impact of the golden snail (Pomacea sp.) on rice farming systems in the Philippines},
	year = {1991},
	pages = {10-11},
	publisher = {Freshwater Aquaculture Center},
	organization = {Freshwater Aquaculture Center},
	address = {Munoz, Nueva Ecija, Philippines},
	author = {Guerrero, L.},
	editor = {Acosta, B.O. and Pullin, R.S.V}
}
@article {629,
	title = {The classification of the Naticidae (Mollusca: Gastropoda): review and analysis of the supraspecific taxa},
	journal = {Bulletin of the Museum of Comparative Zoology},
	volume = {152},
	year = {1991},
	author = {Kabat, A. R.}
}
@article {610,
	title = {Differences metric traits among three strains of apple snail, Pomacea canaliculata},
	journal = {Tohuku Journal of Agricultural Research},
	volume = {41},
	year = {1991},
	pages = {61-68},
	author = {Fujio, Y. and Kurihara, H. and von. Brand, E}
}
@booklet {531,
	title = {Environmental impact of the golden snail (Pomacea sp.) on rice farming systems in the Philippines},
	year = {1991},
	pages = {vi + 34 pp},
	address = {Munoz, Nueva Ecija, Philippines},
	author = {Acosta, B.O. and Pullin, R.S.V}
}
@inbook {655,
	title = {Golden apple snail and its eradication in Papua New Guinea},
	booktitle = {Proceedings of a seminar on pests and diseases of food crops - urgent problems and practical solutions},
	year = {1991},
	pages = {55-62},
	publisher = {Department of Agriculture and Livestock},
	organization = {Department of Agriculture and Livestock},
	edition = {Kumar, R.},
	address = {Konedobu},
	author = {Laup, S.},
	editor = {Kumar, R.}
}
@article {695,
	title = {Spread of freshwater Pomacea snails (Pilidae, Mollusca) from Argentina to Asia},
	journal = {Micronesica},
	volume = {Supplement},
	year = {1991},
	pages = {51-62},
	author = {Mochida, O.}
}
@article {548,
	title = {Vergleichende Anatomie, Phylogenie und historische Biogeographie der Ampullariidae (Mollusca, Gastropoda)},
	journal = {Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg},
	volume = {NF},
	year = {1991},
	pages = {311-338},
	author = {Berthold, T}
}
