@article {644,
	title = {As especies de Ampullaria da Republica Argentina},
	journal = {Annales del Museo Nacional de Buenos Aires},
	volume = {4},
	year = {1898},
	pages = {47-52},
	author = {von Ihering, H.}
}
@inbook {642,
	title = {Las especies de Ampullaria de la Argentina y la historia del R{\'{\i}o de la Plata},
	booktitle = {Primera reunion de la sociedad Argentina de ciencias naturales. Tucum{\'a}n 1916},
	year = {1919},
	pages = {pp 329-350, pls. 37-38},
	publisher = {Imprenta y Casa Editora {\textquotedblleft}Coni{\textquotedblright}},
	organization = {Imprenta y Casa Editora {\textquotedblleft}Coni{\textquotedblright}},
	address = {Buenos Aires},
	author = {von Ihering, H.}
}
@booklet {643,
	title = {Annexo N. 5. Molluscos},
	year = {1915},
	pages = {14 pp., 3 pls},
	address = {Rio de Janeiro},
	author = {von Ihering, H.}
}
