@article {155,
	title = {Contribucion al estudio de la Flora del Tandil},
	year = {1901},
	author = {C. L. Spegazzini}
}
@article {124,
	title = {Bull. Herb. Boissier},
	volume = {1},
	year = {1901},
	author = {Chodat}
}
@article {91,
	title = {Bih. Kongl. Svenska Vetensk.-Akad. Handl.},
	volume = {27},
	year = {1901},
	author = {Malme}
}
